Turn optimization on by default. New -s option to disable it.

1 files changed, 587 insertions, 571 deletions

diff --git a/doc/gawk.info b/doc/gawk.info
index 8afb1e11..16c76d2e 100644
--- a/doc/gawk.info
+++ b/doc/gawk.info
@@ -2630,28 +2630,33 @@ The following list describes options mandated by the POSIX standard:
 
 '-o'[FILE]
 '--pretty-print'['='FILE]
-     Enable pretty-printing of 'awk' programs.  By default, the output
-     program is created in a file named 'awkprof.out' (*note
-     Profiling::).  The optional FILE argument allows you to specify a
-     different file name for the output.  No space is allowed between
-     the '-o' and FILE, if FILE is supplied.
+     Enable pretty-printing of 'awk' programs.  Implies '--no-optimize'.
+     By default, the output program is created in a file named
+     'awkprof.out' (*note Profiling::).  The optional FILE argument
+     allows you to specify a different file name for the output.  No
+     space is allowed between the '-o' and FILE, if FILE is supplied.
 
           NOTE: In the past, this option would also execute your
           program.  This is no longer the case.
 
 '-O'
 '--optimize'
-     Enable some optimizations on the internal representation of the
-     program.  At the moment, this includes just simple constant
-     folding.
+     Enable 'gawk''s default optimizations on the internal
+     representation of the program.  At the moment, this includes simple
+     constant folding and tail recursion elimination in function calls.
+
+     These optimizations are enabled by default.  This option remains
+     primarily for backwards compatibilty.  However, it may be used to
+     cancel the effect of an earlier '-s' option (see later in this
+     list).
 
 '-p'[FILE]
 '--profile'['='FILE]
-     Enable profiling of 'awk' programs (*note Profiling::).  By
-     default, profiles are created in a file named 'awkprof.out'.  The
-     optional FILE argument allows you to specify a different file name
-     for the profile file.  No space is allowed between the '-p' and
-     FILE, if FILE is supplied.
+     Enable profiling of 'awk' programs (*note Profiling::).  Implies
+     '--no-optimize'.  By default, profiles are created in a file named
+     'awkprof.out'.  The optional FILE argument allows you to specify a
+     different file name for the profile file.  No space is allowed
+     between the '-p' and FILE, if FILE is supplied.
 
      The profile contains execution counts for each statement in the
      program in the left margin, and function call counts for each
@@ -2685,6 +2690,11 @@ The following list describes options mandated by the POSIX standard:
      remains (both for backward compatibility and for use in combination
      with '--traditional').
 
+'-s'
+'--no-optimize'
+     Disable 'gawk''s default optimizations on the internal
+     representation of the program.
+
 '-S'
 '--sandbox'
      Disable the 'system()' function, input redirections with 'getline',
@@ -20224,6 +20234,10 @@ indentation that the profiling output does.  This makes it easy to
 pretty-print your code once development is completed, and then use the
 result as the final version of your program.
 
+   Because the internal representation of your program is formatted to
+recreate an 'awk' program, profiling and pretty-printing automatically
+disable 'gawk''s default optimizations.
+
 
 File: gawk.info,  Node: Advanced Features Summary,  Prev: Profiling,  Up: Advanced Features
 
@@ -26914,16 +26928,16 @@ current version of 'gawk'.
 
         - The '-b', '-c', '-C', '-d', '-D', '-e', '-E', '-g', '-h',
           '-i', '-l', '-L', '-M', '-n', '-N', '-o', '-O', '-p', '-P',
-          '-r', '-S', '-t', and '-V' short options.  Also, the ability
-          to use GNU-style long-named options that start with '--', and
-          the '--assign', '--bignum', '--characters-as-bytes',
+          '-r', '-s', '-S', '-t', and '-V' short options.  Also, the
+          ability to use GNU-style long-named options that start with
+          '--', and the '--assign', '--bignum', '--characters-as-bytes',
           '--copyright', '--debug', '--dump-variables', '--exec',
           '--field-separator', '--file', '--gen-pot', '--help',
           '--include', '--lint', '--lint-old', '--load',
-          '--non-decimal-data', '--optimize', '--posix',
-          '--pretty-print', '--profile', '--re-interval', '--sandbox',
-          '--source', '--traditional', '--use-lc-numeric', and
-          '--version' long options (*note Options::).
+          '--non-decimal-data', '--optimize', '--no-optimize',
+          '--posix', '--pretty-print', '--profile', '--re-interval',
+          '--sandbox', '--source', '--traditional', '--use-lc-numeric',
+          and '--version' long options (*note Options::).
 
    * Support for the following obsolete systems was removed from the
      code and the documentation for 'gawk' version 4.0:
@@ -32119,20 +32133,21 @@ Index
 * --include option:                      Options.             (line 159)
 * --lint option:                         Command Line.        (line  20)
 * --lint option <1>:                     Options.             (line 184)
-* --lint-old option:                     Options.             (line 289)
+* --lint-old option:                     Options.             (line 299)
 * --load option:                         Options.             (line 172)
+* --no-optimize option:                  Options.             (line 285)
 * --non-decimal-data option:             Options.             (line 209)
 * --non-decimal-data option <1>:         Nondecimal Data.     (line   6)
 * --non-decimal-data option, strtonum() function and: Nondecimal Data.
                                                               (line  35)
 * --optimize option:                     Options.             (line 234)
-* --posix option:                        Options.             (line 252)
-* --posix option, --traditional option and: Options.          (line 267)
+* --posix option:                        Options.             (line 257)
+* --posix option, --traditional option and: Options.          (line 272)
 * --pretty-print option:                 Options.             (line 223)
-* --profile option:                      Options.             (line 240)
+* --profile option:                      Options.             (line 245)
 * --profile option <1>:                  Profiling.           (line  12)
-* --re-interval option:                  Options.             (line 273)
-* --sandbox option:                      Options.             (line 280)
+* --re-interval option:                  Options.             (line 278)
+* --sandbox option:                      Options.             (line 290)
 * --sandbox option, disabling system() function: I/O Functions.
                                                               (line 129)
 * --sandbox option, input redirection with getline: Getline.  (line  19)
@@ -32140,9 +32155,9 @@ Index
                                                               (line   6)
 * --source option:                       Options.             (line 117)
 * --traditional option:                  Options.             (line  82)
-* --traditional option, --posix option and: Options.          (line 267)
+* --traditional option, --posix option and: Options.          (line 272)
 * --use-lc-numeric option:               Options.             (line 218)
-* --version option:                      Options.             (line 294)
+* --version option:                      Options.             (line 304)
 * --with-whiny-user-strftime configuration option: Additional Configuration Options.
                                                               (line  37)
 * -b option:                             Options.             (line  69)
@@ -32152,31 +32167,32 @@ Index
 * -D option:                             Options.             (line 108)
 * -e option:                             Options.             (line 117)
 * -E option:                             Options.             (line 125)
-* -e option <1>:                         Options.             (line 330)
+* -e option <1>:                         Options.             (line 340)
 * -f option:                             Long.                (line  12)
 * -F option:                             Options.             (line  21)
 * -f option <1>:                         Options.             (line  25)
-* -F option, -Ft sets FS to TAB:         Options.             (line 302)
+* -F option, -Ft sets FS to TAB:         Options.             (line 312)
 * -F option, command-line:               Command Line Field Separator.
                                                               (line   6)
-* -f option, multiple uses:              Options.             (line 307)
+* -f option, multiple uses:              Options.             (line 317)
 * -g option:                             Options.             (line 147)
 * -h option:                             Options.             (line 154)
 * -i option:                             Options.             (line 159)
 * -l option:                             Options.             (line 172)
 * -l option <1>:                         Options.             (line 184)
-* -L option:                             Options.             (line 289)
+* -L option:                             Options.             (line 299)
 * -M option:                             Options.             (line 203)
 * -n option:                             Options.             (line 209)
 * -N option:                             Options.             (line 218)
 * -o option:                             Options.             (line 223)
 * -O option:                             Options.             (line 234)
-* -p option:                             Options.             (line 240)
-* -P option:                             Options.             (line 252)
-* -r option:                             Options.             (line 273)
-* -S option:                             Options.             (line 280)
+* -p option:                             Options.             (line 245)
+* -P option:                             Options.             (line 257)
+* -r option:                             Options.             (line 278)
+* -s option:                             Options.             (line 285)
+* -S option:                             Options.             (line 290)
 * -v option:                             Options.             (line  32)
-* -V option:                             Options.             (line 294)
+* -V option:                             Options.             (line 304)
 * -v option <1>:                         Assignment Options.  (line  12)
 * -W option:                             Options.             (line  47)
 * . (period), regexp operator:           Regexp Operators.    (line  44)
@@ -32475,7 +32491,7 @@ Index
 * awf (amazingly workable formatter) program: Glossary.       (line  24)
 * awk debugging, enabling:               Options.             (line 108)
 * awk language, POSIX version:           Assignment Ops.      (line 138)
-* awk profiling, enabling:               Options.             (line 240)
+* awk profiling, enabling:               Options.             (line 245)
 * awk programs:                          Getting Started.     (line  12)
 * awk programs <1>:                      Executable Scripts.  (line   6)
 * awk programs <2>:                      Two Rules.           (line   6)
@@ -32882,7 +32898,7 @@ Index
 * cosine:                                Numeric Functions.   (line  16)
 * counting:                              Wc Program.          (line   6)
 * csh utility:                           Statements/Lines.    (line  43)
-* csh utility, POSIXLY_CORRECT environment variable: Options. (line 348)
+* csh utility, POSIXLY_CORRECT environment variable: Options. (line 358)
 * csh utility, |& operator, comparison with: Two-way I/O.     (line  27)
 * ctime() user-defined function:         Function Example.    (line  74)
 * currency symbols, localization:        Explaining gettext.  (line 104)
@@ -33071,7 +33087,7 @@ Index
 * debugger, read commands from a file:   Debugger Info.       (line  97)
 * debugging awk programs:                Debugger.            (line   6)
 * debugging gawk, bug reports:           Bugs.                (line   9)
-* decimal point character, locale specific: Options.          (line 264)
+* decimal point character, locale specific: Options.          (line 269)
 * decrement operators:                   Increment Ops.       (line  35)
 * default keyword:                       Switch Statement.    (line   6)
 * Deifik, Scott:                         Acknowledgments.     (line  60)
@@ -33512,7 +33528,7 @@ Index
 * FS variable, --field-separator option and: Options.         (line  21)
 * FS variable, as null string:           Single Character Fields.
                                                               (line  20)
-* FS variable, as TAB character:         Options.             (line 261)
+* FS variable, as TAB character:         Options.             (line 266)
 * FS variable, changing value of:        Field Separators.    (line  34)
 * FS variable, running awk programs and: Cut Program.         (line  63)
 * FS variable, setting from command line: Command Line Field Separator.
@@ -33602,7 +33618,7 @@ Index
 * gawk, ERRNO variable in <3>:           Auto-set.            (line  87)
 * gawk, ERRNO variable in <4>:           TCP/IP Networking.   (line  54)
 * gawk, escape sequences:                Escape Sequences.    (line 121)
-* gawk, extensions, disabling:           Options.             (line 252)
+* gawk, extensions, disabling:           Options.             (line 257)
 * gawk, features, adding:                Adding Code.         (line   6)
 * gawk, features, advanced:              Advanced Features.   (line   6)
 * gawk, field separators and:            User-modified.       (line  71)
@@ -33665,7 +33681,7 @@ Index
 * gawk, TEXTDOMAIN variable in:          User-modified.       (line 152)
 * gawk, timestamps:                      Time Functions.      (line   6)
 * gawk, uses for:                        Preface.             (line  34)
-* gawk, versions of, information about, printing: Options.    (line 294)
+* gawk, versions of, information about, printing: Options.    (line 304)
 * gawk, VMS version of:                  VMS Installation.    (line   6)
 * gawk, word-boundary operator:          GNU Regexp Operators.
                                                               (line  66)
@@ -33992,7 +34008,7 @@ Index
 * lint checking, empty programs:         Command Line.        (line  16)
 * lint checking, issuing warnings:       Options.             (line 184)
 * lint checking, POSIXLY_CORRECT environment variable: Options.
-                                                              (line 333)
+                                                              (line 343)
 * lint checking, undefined functions:    Pass By Value/Reference.
                                                               (line  85)
 * LINT variable:                         User-modified.       (line  87)
@@ -34008,7 +34024,7 @@ Index
 * loading, extensions:                   Options.             (line 172)
 * local variables, in a function:        Variable Scope.      (line   6)
 * locale categories:                     Explaining gettext.  (line  81)
-* locale decimal point character:        Options.             (line 264)
+* locale decimal point character:        Options.             (line 269)
 * locale, definition of:                 Locales.             (line   6)
 * localization:                          I18N and L10N.       (line   6)
 * localization, See internationalization, localization: I18N and L10N.
@@ -34090,7 +34106,7 @@ Index
 * networks, programming:                 TCP/IP Networking.   (line   6)
 * networks, support for:                 Special Network.     (line   6)
 * newlines:                              Statements/Lines.    (line   6)
-* newlines <1>:                          Options.             (line 258)
+* newlines <1>:                          Options.             (line 263)
 * newlines <2>:                          Boolean Ops.         (line  69)
 * newlines, as record separators:        awk split records.   (line  12)
 * newlines, in dynamic regexps:          Computed Regexps.    (line  60)
@@ -34317,7 +34333,7 @@ Index
 * portability, NF variable, decrementing: Changing Fields.    (line 115)
 * portability, operators:                Increment Ops.       (line  60)
 * portability, operators, not in POSIX awk: Precedence.       (line  97)
-* portability, POSIXLY_CORRECT environment variable: Options. (line 353)
+* portability, POSIXLY_CORRECT environment variable: Options. (line 363)
 * portability, substr() function:        String Functions.    (line 513)
 * portable object files:                 Explaining gettext.  (line  37)
 * portable object files <1>:             Translator i18n.     (line   6)
@@ -34365,12 +34381,12 @@ Index
 * POSIX awk, regular expressions and:    Regexp Operators.    (line 161)
 * POSIX awk, timestamps and:             Time Functions.      (line   6)
 * POSIX awk, | I/O operator and:         Getline/Pipe.        (line  56)
-* POSIX mode:                            Options.             (line 252)
-* POSIX mode <1>:                        Options.             (line 333)
+* POSIX mode:                            Options.             (line 257)
+* POSIX mode <1>:                        Options.             (line 343)
 * POSIX, awk and:                        Preface.             (line  21)
 * POSIX, gawk extensions not included in: POSIX/GNU.          (line   6)
 * POSIX, programs, implementing in awk:  Clones.              (line   6)
-* POSIXLY_CORRECT environment variable:  Options.             (line 333)
+* POSIXLY_CORRECT environment variable:  Options.             (line 343)
 * PREC variable:                         User-modified.       (line 124)
 * precedence:                            Increment Ops.       (line  60)
 * precedence <1>:                        Precedence.          (line   6)
@@ -34553,7 +34569,7 @@ Index
                                                               (line  60)
 * regular expressions, gawk, command-line options: GNU Regexp Operators.
                                                               (line  73)
-* regular expressions, interval expressions and: Options.     (line 273)
+* regular expressions, interval expressions and: Options.     (line 278)
 * regular expressions, leftmost longest match: Leftmost Longest.
                                                               (line   6)
 * regular expressions, operators:        Regexp Usage.        (line  19)
@@ -34635,7 +34651,7 @@ Index
                                                               (line  68)
 * sample debugging session:              Sample Debugging Session.
                                                               (line   6)
-* sandbox mode:                          Options.             (line 280)
+* sandbox mode:                          Options.             (line 290)
 * save debugger options:                 Debugger Info.       (line  85)
 * scalar or array:                       Type Functions.      (line  11)
 * scalar values:                         Basic Data Typing.   (line  13)
@@ -35115,7 +35131,7 @@ Index
 * whitespace, as field separators:       Default Field Splitting.
                                                               (line   6)
 * whitespace, functions, calling:        Calling Built-in.    (line  10)
-* whitespace, newlines as:               Options.             (line 258)
+* whitespace, newlines as:               Options.             (line 263)
 * Williams, Kent:                        Contributors.        (line  35)
 * Woehlke, Matthew:                      Contributors.        (line  80)
 * Woods, John:                           Contributors.        (line  28)
@@ -35185,523 +35201,523 @@ Node: Intro Summary113234
 Node: Invoking Gawk114118
 Node: Command Line115632
 Node: Options116430
-Ref: Options-Footnote-1132082
-Ref: Options-Footnote-2132312
-Node: Other Arguments132337
-Node: Naming Standard Input135284
-Node: Environment Variables136377
-Node: AWKPATH Variable136935
-Ref: AWKPATH Variable-Footnote-1140346
-Ref: AWKPATH Variable-Footnote-2140391
-Node: AWKLIBPATH Variable140652
-Node: Other Environment Variables141909
-Node: Exit Status145547
-Node: Include Files146224
-Node: Loading Shared Libraries149819
-Node: Obsolete151247
-Node: Undocumented151939
-Node: Invoking Summary152236
-Node: Regexp153896
-Node: Regexp Usage155415
-Node: Escape Sequences157452
-Node: Regexp Operators163685
-Ref: Regexp Operators-Footnote-1171102
-Ref: Regexp Operators-Footnote-2171249
-Node: Bracket Expressions171347
-Ref: table-char-classes173370
-Node: Leftmost Longest176507
-Node: Computed Regexps177810
-Node: GNU Regexp Operators181237
-Node: Case-sensitivity184916
-Ref: Case-sensitivity-Footnote-1187812
-Ref: Case-sensitivity-Footnote-2188047
-Node: Strong Regexp Constants188155
-Node: Regexp Summary191097
-Node: Reading Files192703
-Node: Records194866
-Node: awk split records195599
-Node: gawk split records200531
-Ref: gawk split records-Footnote-1205075
-Node: Fields205112
-Node: Nonconstant Fields207853
-Ref: Nonconstant Fields-Footnote-1210089
-Node: Changing Fields210293
-Node: Field Separators216223
-Node: Default Field Splitting218921
-Node: Regexp Field Splitting220039
-Node: Single Character Fields223392
-Node: Command Line Field Separator224452
-Node: Full Line Fields227670
-Ref: Full Line Fields-Footnote-1229192
-Ref: Full Line Fields-Footnote-2229238
-Node: Field Splitting Summary229339
-Node: Constant Size231413
-Node: Splitting By Content235992
-Ref: Splitting By Content-Footnote-1239963
-Node: Multiple Line240126
-Ref: Multiple Line-Footnote-1246009
-Node: Getline246188
-Node: Plain Getline248655
-Node: Getline/Variable251294
-Node: Getline/File252443
-Node: Getline/Variable/File253829
-Ref: Getline/Variable/File-Footnote-1255433
-Node: Getline/Pipe255521
-Node: Getline/Variable/Pipe258226
-Node: Getline/Coprocess259359
-Node: Getline/Variable/Coprocess260624
-Node: Getline Notes261364
-Node: Getline Summary264159
-Ref: table-getline-variants264581
-Node: Read Timeout265329
-Ref: Read Timeout-Footnote-1269236
-Node: Retrying Input269294
-Node: Command-line directories270493
-Node: Input Summary271400
-Node: Input Exercises274572
-Node: Printing275300
-Node: Print277135
-Node: Print Examples278592
-Node: Output Separators281372
-Node: OFMT283389
-Node: Printf284745
-Node: Basic Printf285530
-Node: Control Letters287104
-Node: Format Modifiers291092
-Node: Printf Examples297107
-Node: Redirection299593
-Node: Special FD306436
-Ref: Special FD-Footnote-1309604
-Node: Special Files309678
-Node: Other Inherited Files310295
-Node: Special Network311296
-Node: Special Caveats312156
-Node: Close Files And Pipes313105
-Ref: Close Files And Pipes-Footnote-1320292
-Ref: Close Files And Pipes-Footnote-2320440
-Node: Nonfatal320591
-Node: Output Summary322916
-Node: Output Exercises324138
-Node: Expressions324817
-Node: Values326005
-Node: Constants326683
-Node: Scalar Constants327374
-Ref: Scalar Constants-Footnote-1328238
-Node: Nondecimal-numbers328488
-Node: Regexp Constants331502
-Node: Using Constant Regexps332028
-Node: Variables335191
-Node: Using Variables335848
-Node: Assignment Options337759
-Node: Conversion339633
-Node: Strings And Numbers340157
-Ref: Strings And Numbers-Footnote-1343221
-Node: Locale influences conversions343330
-Ref: table-locale-affects346088
-Node: All Operators346706
-Node: Arithmetic Ops347335
-Node: Concatenation349841
-Ref: Concatenation-Footnote-1352688
-Node: Assignment Ops352795
-Ref: table-assign-ops357787
-Node: Increment Ops359100
-Node: Truth Values and Conditions362560
-Node: Truth Values363634
-Node: Typing and Comparison364682
-Node: Variable Typing365502
-Node: Comparison Operators369126
-Ref: table-relational-ops369545
-Node: POSIX String Comparison373040
-Ref: POSIX String Comparison-Footnote-1374114
-Node: Boolean Ops374253
-Ref: Boolean Ops-Footnote-1378735
-Node: Conditional Exp378827
-Node: Function Calls380563
-Node: Precedence384443
-Node: Locales388102
-Node: Expressions Summary389734
-Node: Patterns and Actions392307
-Node: Pattern Overview393427
-Node: Regexp Patterns395104
-Node: Expression Patterns395646
-Node: Ranges399427
-Node: BEGIN/END402535
-Node: Using BEGIN/END403296
-Ref: Using BEGIN/END-Footnote-1406033
-Node: I/O And BEGIN/END406139
-Node: BEGINFILE/ENDFILE408455
-Node: Empty411362
-Node: Using Shell Variables411679
-Node: Action Overview413953
-Node: Statements416278
-Node: If Statement418126
-Node: While Statement419621
-Node: Do Statement421649
-Node: For Statement422797
-Node: Switch Statement425956
-Node: Break Statement428342
-Node: Continue Statement430434
-Node: Next Statement432261
-Node: Nextfile Statement434644
-Node: Exit Statement437296
-Node: Built-in Variables439701
-Node: User-modified440834
-Node: Auto-set448422
-Ref: Auto-set-Footnote-1462815
-Ref: Auto-set-Footnote-2463021
-Node: ARGC and ARGV463077
-Node: Pattern Action Summary467296
-Node: Arrays469726
-Node: Array Basics471055
-Node: Array Intro471899
-Ref: figure-array-elements473874
-Ref: Array Intro-Footnote-1476578
-Node: Reference to Elements476706
-Node: Assigning Elements479170
-Node: Array Example479661
-Node: Scanning an Array481420
-Node: Controlling Scanning484444
-Ref: Controlling Scanning-Footnote-1489843
-Node: Numeric Array Subscripts490159
-Node: Uninitialized Subscripts492343
-Node: Delete493962
-Ref: Delete-Footnote-1496714
-Node: Multidimensional496771
-Node: Multiscanning499866
-Node: Arrays of Arrays501457
-Node: Arrays Summary506225
-Node: Functions508318
-Node: Built-in509356
-Node: Calling Built-in510434
-Node: Numeric Functions512430
-Ref: Numeric Functions-Footnote-1517263
-Ref: Numeric Functions-Footnote-2517620
-Ref: Numeric Functions-Footnote-3517668
-Node: String Functions517940
-Ref: String Functions-Footnote-1541448
-Ref: String Functions-Footnote-2541577
-Ref: String Functions-Footnote-3541825
-Node: Gory Details541912
-Ref: table-sub-escapes543703
-Ref: table-sub-proposed545222
-Ref: table-posix-sub546585
-Ref: table-gensub-escapes548126
-Ref: Gory Details-Footnote-1548949
-Node: I/O Functions549100
-Ref: I/O Functions-Footnote-1556321
-Node: Time Functions556469
-Ref: Time Functions-Footnote-1566974
-Ref: Time Functions-Footnote-2567042
-Ref: Time Functions-Footnote-3567200
-Ref: Time Functions-Footnote-4567311
-Ref: Time Functions-Footnote-5567423
-Ref: Time Functions-Footnote-6567650
-Node: Bitwise Functions567916
-Ref: table-bitwise-ops568510
-Ref: Bitwise Functions-Footnote-1572848
-Node: Type Functions573021
-Node: I18N Functions575682
-Node: User-defined577333
-Node: Definition Syntax578138
-Ref: Definition Syntax-Footnote-1583825
-Node: Function Example583896
-Ref: Function Example-Footnote-1586818
-Node: Function Caveats586840
-Node: Calling A Function587358
-Node: Variable Scope588316
-Node: Pass By Value/Reference591310
-Node: Return Statement594809
-Node: Dynamic Typing597788
-Node: Indirect Calls598718
-Ref: Indirect Calls-Footnote-1608969
-Node: Functions Summary609097
-Node: Library Functions611802
-Ref: Library Functions-Footnote-1615411
-Ref: Library Functions-Footnote-2615554
-Node: Library Names615725
-Ref: Library Names-Footnote-1619186
-Ref: Library Names-Footnote-2619409
-Node: General Functions619495
-Node: Strtonum Function620598
-Node: Assert Function623620
-Node: Round Function626946
-Node: Cliff Random Function628487
-Node: Ordinal Functions629503
-Ref: Ordinal Functions-Footnote-1632566
-Ref: Ordinal Functions-Footnote-2632818
-Node: Join Function633028
-Ref: Join Function-Footnote-1634798
-Node: Getlocaltime Function634998
-Node: Readfile Function638742
-Node: Shell Quoting640716
-Node: Data File Management642117
-Node: Filetrans Function642749
-Node: Rewind Function646846
-Node: File Checking648232
-Ref: File Checking-Footnote-1649566
-Node: Empty Files649767
-Node: Ignoring Assigns651746
-Node: Getopt Function653296
-Ref: Getopt Function-Footnote-1664766
-Node: Passwd Functions664966
-Ref: Passwd Functions-Footnote-1673807
-Node: Group Functions673895
-Ref: Group Functions-Footnote-1681794
-Node: Walking Arrays682001
-Node: Library Functions Summary685011
-Node: Library Exercises686417
-Node: Sample Programs686882
-Node: Running Examples687652
-Node: Clones688380
-Node: Cut Program689604
-Node: Egrep Program699325
-Ref: Egrep Program-Footnote-1706837
-Node: Id Program706947
-Node: Split Program710627
-Ref: Split Program-Footnote-1714086
-Node: Tee Program714215
-Node: Uniq Program717005
-Node: Wc Program724431
-Ref: Wc Program-Footnote-1728686
-Node: Miscellaneous Programs728780
-Node: Dupword Program729993
-Node: Alarm Program732023
-Node: Translate Program736878
-Ref: Translate Program-Footnote-1741443
-Node: Labels Program741713
-Ref: Labels Program-Footnote-1745064
-Node: Word Sorting745148
-Node: History Sorting749220
-Node: Extract Program751055
-Node: Simple Sed758584
-Node: Igawk Program761658
-Ref: Igawk Program-Footnote-1775989
-Ref: Igawk Program-Footnote-2776191
-Ref: Igawk Program-Footnote-3776313
-Node: Anagram Program776428
-Node: Signature Program779490
-Node: Programs Summary780737
-Node: Programs Exercises781952
-Ref: Programs Exercises-Footnote-1786081
-Node: Advanced Features786172
-Node: Nondecimal Data788162
-Node: Array Sorting789753
-Node: Controlling Array Traversal790453
-Ref: Controlling Array Traversal-Footnote-1798822
-Node: Array Sorting Functions798940
-Ref: Array Sorting Functions-Footnote-1804031
-Node: Two-way I/O804227
-Ref: Two-way I/O-Footnote-1810047
-Ref: Two-way I/O-Footnote-2810234
-Node: TCP/IP Networking810316
-Node: Profiling813434
-Node: Advanced Features Summary821705
-Node: Internationalization823549
-Node: I18N and L10N825029
-Node: Explaining gettext825716
-Ref: Explaining gettext-Footnote-1830739
-Ref: Explaining gettext-Footnote-2830924
-Node: Programmer i18n831089
-Ref: Programmer i18n-Footnote-1835945
-Node: Translator i18n835994
-Node: String Extraction836788
-Ref: String Extraction-Footnote-1837921
-Node: Printf Ordering838007
-Ref: Printf Ordering-Footnote-1840793
-Node: I18N Portability840857
-Ref: I18N Portability-Footnote-1843313
-Node: I18N Example843376
-Ref: I18N Example-Footnote-1846182
-Node: Gawk I18N846255
-Node: I18N Summary846900
-Node: Debugger848241
-Node: Debugging849263
-Node: Debugging Concepts849704
-Node: Debugging Terms851513
-Node: Awk Debugging854088
-Node: Sample Debugging Session854994
-Node: Debugger Invocation855528
-Node: Finding The Bug856914
-Node: List of Debugger Commands863392
-Node: Breakpoint Control864725
-Node: Debugger Execution Control868419
-Node: Viewing And Changing Data871781
-Node: Execution Stack875155
-Node: Debugger Info876792
-Node: Miscellaneous Debugger Commands880863
-Node: Readline Support885951
-Node: Limitations886847
-Ref: Limitations-Footnote-1891078
-Node: Debugging Summary891129
-Node: Arbitrary Precision Arithmetic892408
-Node: Computer Arithmetic893824
-Ref: table-numeric-ranges897415
-Ref: Computer Arithmetic-Footnote-1898137
-Node: Math Definitions898194
-Ref: table-ieee-formats901508
-Ref: Math Definitions-Footnote-1902111
-Node: MPFR features902216
-Node: FP Math Caution903935
-Ref: FP Math Caution-Footnote-1905007
-Node: Inexactness of computations905376
-Node: Inexact representation906336
-Node: Comparing FP Values907696
-Node: Errors accumulate908778
-Node: Getting Accuracy910211
-Node: Try To Round912921
-Node: Setting precision913820
-Ref: table-predefined-precision-strings914517
-Node: Setting the rounding mode916347
-Ref: table-gawk-rounding-modes916721
-Ref: Setting the rounding mode-Footnote-1920129
-Node: Arbitrary Precision Integers920308
-Ref: Arbitrary Precision Integers-Footnote-1925225
-Node: POSIX Floating Point Problems925374
-Ref: POSIX Floating Point Problems-Footnote-1929256
-Node: Floating point summary929294
-Node: Dynamic Extensions931484
-Node: Extension Intro933037
-Node: Plugin License934303
-Node: Extension Mechanism Outline935100
-Ref: figure-load-extension935539
-Ref: figure-register-new-function937104
-Ref: figure-call-new-function938196
-Node: Extension API Description940259
-Node: Extension API Functions Introduction941791
-Node: General Data Types946650
-Ref: General Data Types-Footnote-1952605
-Node: Memory Allocation Functions952904
-Ref: Memory Allocation Functions-Footnote-1955749
-Node: Constructor Functions955848
-Node: Registration Functions957593
-Node: Extension Functions958278
-Node: Exit Callback Functions960577
-Node: Extension Version String961827
-Node: Input Parsers962490
-Node: Output Wrappers972375
-Node: Two-way processors976887
-Node: Printing Messages979151
-Ref: Printing Messages-Footnote-1980225
-Node: Updating ERRNO980378
-Node: Requesting Values981117
-Ref: table-value-types-returned981854
-Node: Accessing Parameters982737
-Node: Symbol Table Access983973
-Node: Symbol table by name984485
-Node: Symbol table by cookie986506
-Ref: Symbol table by cookie-Footnote-1990655
-Node: Cached values990719
-Ref: Cached values-Footnote-1994220
-Node: Array Manipulation994311
-Ref: Array Manipulation-Footnote-1995402
-Node: Array Data Types995439
-Ref: Array Data Types-Footnote-1998097
-Node: Array Functions998189
-Node: Flattening Arrays1002048
-Node: Creating Arrays1008956
-Node: Redirection API1013728
-Node: Extension API Variables1016559
-Node: Extension Versioning1017192
-Node: Extension API Informational Variables1019083
-Node: Extension API Boilerplate1020147
-Node: Finding Extensions1023961
-Node: Extension Example1024521
-Node: Internal File Description1025319
-Node: Internal File Ops1029399
-Ref: Internal File Ops-Footnote-11041161
-Node: Using Internal File Ops1041301
-Ref: Using Internal File Ops-Footnote-11043684
-Node: Extension Samples1043959
-Node: Extension Sample File Functions1045488
-Node: Extension Sample Fnmatch1053137
-Node: Extension Sample Fork1054624
-Node: Extension Sample Inplace1055842
-Node: Extension Sample Ord1059052
-Node: Extension Sample Readdir1059888
-Ref: table-readdir-file-types1060777
-Node: Extension Sample Revout1061582
-Node: Extension Sample Rev2way1062171
-Node: Extension Sample Read write array1062911
-Node: Extension Sample Readfile1064853
-Node: Extension Sample Time1065948
-Node: Extension Sample API Tests1067296
-Node: gawkextlib1067788
-Node: Extension summary1070235
-Node: Extension Exercises1073927
-Node: Language History1075424
-Node: V7/SVR3.11077080
-Node: SVR41079232
-Node: POSIX1080666
-Node: BTL1082046
-Node: POSIX/GNU1082776
-Node: Feature History1088615
-Node: Common Extensions1102985
-Node: Ranges and Locales1104268
-Ref: Ranges and Locales-Footnote-11108884
-Ref: Ranges and Locales-Footnote-21108911
-Ref: Ranges and Locales-Footnote-31109146
-Node: Contributors1109367
-Node: History summary1114936
-Node: Installation1116316
-Node: Gawk Distribution1117261
-Node: Getting1117745
-Node: Extracting1118706
-Node: Distribution contents1120344
-Node: Unix Installation1126440
-Node: Quick Installation1127122
-Node: Shell Startup Files1129536
-Node: Additional Configuration Options1130614
-Node: Configuration Philosophy1132419
-Node: Non-Unix Installation1134789
-Node: PC Installation1135247
-Node: PC Binary Installation1136567
-Node: PC Compiling1138419
-Ref: PC Compiling-Footnote-11141443
-Node: PC Testing1141552
-Node: PC Using1142732
-Node: Cygwin1146846
-Node: MSYS1147616
-Node: VMS Installation1148117
-Node: VMS Compilation1148908
-Ref: VMS Compilation-Footnote-11150138
-Node: VMS Dynamic Extensions1150196
-Node: VMS Installation Details1151881
-Node: VMS Running1154134
-Node: VMS GNV1158413
-Node: VMS Old Gawk1159148
-Node: Bugs1159619
-Node: Other Versions1163816
-Node: Installation summary1170402
-Node: Notes1171460
-Node: Compatibility Mode1172325
-Node: Additions1173107
-Node: Accessing The Source1174032
-Node: Adding Code1175468
-Node: New Ports1181687
-Node: Derived Files1186175
-Ref: Derived Files-Footnote-11191660
-Ref: Derived Files-Footnote-21191695
-Ref: Derived Files-Footnote-31192293
-Node: Future Extensions1192407
-Node: Implementation Limitations1193065
-Node: Extension Design1194248
-Node: Old Extension Problems1195402
-Ref: Old Extension Problems-Footnote-11196920
-Node: Extension New Mechanism Goals1196977
-Ref: Extension New Mechanism Goals-Footnote-11200341
-Node: Extension Other Design Decisions1200530
-Node: Extension Future Growth1202643
-Node: Old Extension Mechanism1203479
-Node: Notes summary1205242
-Node: Basic Concepts1206424
-Node: Basic High Level1207105
-Ref: figure-general-flow1207387
-Ref: figure-process-flow1208072
-Ref: Basic High Level-Footnote-11211373
-Node: Basic Data Typing1211558
-Node: Glossary1214886
-Node: Copying1246832
-Node: GNU Free Documentation License1284371
-Node: Index1309489
+Ref: Options-Footnote-1132529
+Ref: Options-Footnote-2132759
+Node: Other Arguments132784
+Node: Naming Standard Input135731
+Node: Environment Variables136824
+Node: AWKPATH Variable137382
+Ref: AWKPATH Variable-Footnote-1140793
+Ref: AWKPATH Variable-Footnote-2140838
+Node: AWKLIBPATH Variable141099
+Node: Other Environment Variables142356
+Node: Exit Status145994
+Node: Include Files146671
+Node: Loading Shared Libraries150266
+Node: Obsolete151694
+Node: Undocumented152386
+Node: Invoking Summary152683
+Node: Regexp154343
+Node: Regexp Usage155862
+Node: Escape Sequences157899
+Node: Regexp Operators164132
+Ref: Regexp Operators-Footnote-1171549
+Ref: Regexp Operators-Footnote-2171696
+Node: Bracket Expressions171794
+Ref: table-char-classes173817
+Node: Leftmost Longest176954
+Node: Computed Regexps178257
+Node: GNU Regexp Operators181684
+Node: Case-sensitivity185363
+Ref: Case-sensitivity-Footnote-1188259
+Ref: Case-sensitivity-Footnote-2188494
+Node: Strong Regexp Constants188602
+Node: Regexp Summary191544
+Node: Reading Files193150
+Node: Records195313
+Node: awk split records196046
+Node: gawk split records200978
+Ref: gawk split records-Footnote-1205522
+Node: Fields205559
+Node: Nonconstant Fields208300
+Ref: Nonconstant Fields-Footnote-1210536
+Node: Changing Fields210740
+Node: Field Separators216670
+Node: Default Field Splitting219368
+Node: Regexp Field Splitting220486
+Node: Single Character Fields223839
+Node: Command Line Field Separator224899
+Node: Full Line Fields228117
+Ref: Full Line Fields-Footnote-1229639
+Ref: Full Line Fields-Footnote-2229685
+Node: Field Splitting Summary229786
+Node: Constant Size231860
+Node: Splitting By Content236439
+Ref: Splitting By Content-Footnote-1240410
+Node: Multiple Line240573
+Ref: Multiple Line-Footnote-1246456
+Node: Getline246635
+Node: Plain Getline249102
+Node: Getline/Variable251741
+Node: Getline/File252890
+Node: Getline/Variable/File254276
+Ref: Getline/Variable/File-Footnote-1255880
+Node: Getline/Pipe255968
+Node: Getline/Variable/Pipe258673
+Node: Getline/Coprocess259806
+Node: Getline/Variable/Coprocess261071
+Node: Getline Notes261811
+Node: Getline Summary264606
+Ref: table-getline-variants265028
+Node: Read Timeout265776
+Ref: Read Timeout-Footnote-1269683
+Node: Retrying Input269741
+Node: Command-line directories270940
+Node: Input Summary271847
+Node: Input Exercises275019
+Node: Printing275747
+Node: Print277582
+Node: Print Examples279039
+Node: Output Separators281819
+Node: OFMT283836
+Node: Printf285192
+Node: Basic Printf285977
+Node: Control Letters287551
+Node: Format Modifiers291539
+Node: Printf Examples297554
+Node: Redirection300040
+Node: Special FD306883
+Ref: Special FD-Footnote-1310051
+Node: Special Files310125
+Node: Other Inherited Files310742
+Node: Special Network311743
+Node: Special Caveats312603
+Node: Close Files And Pipes313552
+Ref: Close Files And Pipes-Footnote-1320739
+Ref: Close Files And Pipes-Footnote-2320887
+Node: Nonfatal321038
+Node: Output Summary323363
+Node: Output Exercises324585
+Node: Expressions325264
+Node: Values326452
+Node: Constants327130
+Node: Scalar Constants327821
+Ref: Scalar Constants-Footnote-1328685
+Node: Nondecimal-numbers328935
+Node: Regexp Constants331949
+Node: Using Constant Regexps332475
+Node: Variables335638
+Node: Using Variables336295
+Node: Assignment Options338206
+Node: Conversion340080
+Node: Strings And Numbers340604
+Ref: Strings And Numbers-Footnote-1343668
+Node: Locale influences conversions343777
+Ref: table-locale-affects346535
+Node: All Operators347153
+Node: Arithmetic Ops347782
+Node: Concatenation350288
+Ref: Concatenation-Footnote-1353135
+Node: Assignment Ops353242
+Ref: table-assign-ops358234
+Node: Increment Ops359547
+Node: Truth Values and Conditions363007
+Node: Truth Values364081
+Node: Typing and Comparison365129
+Node: Variable Typing365949
+Node: Comparison Operators369573
+Ref: table-relational-ops369992
+Node: POSIX String Comparison373487
+Ref: POSIX String Comparison-Footnote-1374561
+Node: Boolean Ops374700
+Ref: Boolean Ops-Footnote-1379182
+Node: Conditional Exp379274
+Node: Function Calls381010
+Node: Precedence384890
+Node: Locales388549
+Node: Expressions Summary390181
+Node: Patterns and Actions392754
+Node: Pattern Overview393874
+Node: Regexp Patterns395551
+Node: Expression Patterns396093
+Node: Ranges399874
+Node: BEGIN/END402982
+Node: Using BEGIN/END403743
+Ref: Using BEGIN/END-Footnote-1406480
+Node: I/O And BEGIN/END406586
+Node: BEGINFILE/ENDFILE408902
+Node: Empty411809
+Node: Using Shell Variables412126
+Node: Action Overview414400
+Node: Statements416725
+Node: If Statement418573
+Node: While Statement420068
+Node: Do Statement422096
+Node: For Statement423244
+Node: Switch Statement426403
+Node: Break Statement428789
+Node: Continue Statement430881
+Node: Next Statement432708
+Node: Nextfile Statement435091
+Node: Exit Statement437743
+Node: Built-in Variables440148
+Node: User-modified441281
+Node: Auto-set448869
+Ref: Auto-set-Footnote-1463262
+Ref: Auto-set-Footnote-2463468
+Node: ARGC and ARGV463524
+Node: Pattern Action Summary467743
+Node: Arrays470173
+Node: Array Basics471502
+Node: Array Intro472346
+Ref: figure-array-elements474321
+Ref: Array Intro-Footnote-1477025
+Node: Reference to Elements477153
+Node: Assigning Elements479617
+Node: Array Example480108
+Node: Scanning an Array481867
+Node: Controlling Scanning484891
+Ref: Controlling Scanning-Footnote-1490290
+Node: Numeric Array Subscripts490606
+Node: Uninitialized Subscripts492790
+Node: Delete494409
+Ref: Delete-Footnote-1497161
+Node: Multidimensional497218
+Node: Multiscanning500313
+Node: Arrays of Arrays501904
+Node: Arrays Summary506672
+Node: Functions508765
+Node: Built-in509803
+Node: Calling Built-in510881
+Node: Numeric Functions512877
+Ref: Numeric Functions-Footnote-1517710
+Ref: Numeric Functions-Footnote-2518067
+Ref: Numeric Functions-Footnote-3518115
+Node: String Functions518387
+Ref: String Functions-Footnote-1541895
+Ref: String Functions-Footnote-2542024
+Ref: String Functions-Footnote-3542272
+Node: Gory Details542359
+Ref: table-sub-escapes544150
+Ref: table-sub-proposed545669
+Ref: table-posix-sub547032
+Ref: table-gensub-escapes548573
+Ref: Gory Details-Footnote-1549396
+Node: I/O Functions549547
+Ref: I/O Functions-Footnote-1556768
+Node: Time Functions556916
+Ref: Time Functions-Footnote-1567421
+Ref: Time Functions-Footnote-2567489
+Ref: Time Functions-Footnote-3567647
+Ref: Time Functions-Footnote-4567758
+Ref: Time Functions-Footnote-5567870
+Ref: Time Functions-Footnote-6568097
+Node: Bitwise Functions568363
+Ref: table-bitwise-ops568957
+Ref: Bitwise Functions-Footnote-1573295
+Node: Type Functions573468
+Node: I18N Functions576129
+Node: User-defined577780
+Node: Definition Syntax578585
+Ref: Definition Syntax-Footnote-1584272
+Node: Function Example584343
+Ref: Function Example-Footnote-1587265
+Node: Function Caveats587287
+Node: Calling A Function587805
+Node: Variable Scope588763
+Node: Pass By Value/Reference591757
+Node: Return Statement595256
+Node: Dynamic Typing598235
+Node: Indirect Calls599165
+Ref: Indirect Calls-Footnote-1609416
+Node: Functions Summary609544
+Node: Library Functions612249
+Ref: Library Functions-Footnote-1615858
+Ref: Library Functions-Footnote-2616001
+Node: Library Names616172
+Ref: Library Names-Footnote-1619633
+Ref: Library Names-Footnote-2619856
+Node: General Functions619942
+Node: Strtonum Function621045
+Node: Assert Function624067
+Node: Round Function627393
+Node: Cliff Random Function628934
+Node: Ordinal Functions629950
+Ref: Ordinal Functions-Footnote-1633013
+Ref: Ordinal Functions-Footnote-2633265
+Node: Join Function633475
+Ref: Join Function-Footnote-1635245
+Node: Getlocaltime Function635445
+Node: Readfile Function639189
+Node: Shell Quoting641163
+Node: Data File Management642564
+Node: Filetrans Function643196
+Node: Rewind Function647293
+Node: File Checking648679
+Ref: File Checking-Footnote-1650013
+Node: Empty Files650214
+Node: Ignoring Assigns652193
+Node: Getopt Function653743
+Ref: Getopt Function-Footnote-1665213
+Node: Passwd Functions665413
+Ref: Passwd Functions-Footnote-1674254
+Node: Group Functions674342
+Ref: Group Functions-Footnote-1682241
+Node: Walking Arrays682448
+Node: Library Functions Summary685458
+Node: Library Exercises686864
+Node: Sample Programs687329
+Node: Running Examples688099
+Node: Clones688827
+Node: Cut Program690051
+Node: Egrep Program699772
+Ref: Egrep Program-Footnote-1707284
+Node: Id Program707394
+Node: Split Program711074
+Ref: Split Program-Footnote-1714533
+Node: Tee Program714662
+Node: Uniq Program717452
+Node: Wc Program724878
+Ref: Wc Program-Footnote-1729133
+Node: Miscellaneous Programs729227
+Node: Dupword Program730440
+Node: Alarm Program732470
+Node: Translate Program737325
+Ref: Translate Program-Footnote-1741890
+Node: Labels Program742160
+Ref: Labels Program-Footnote-1745511
+Node: Word Sorting745595
+Node: History Sorting749667
+Node: Extract Program751502
+Node: Simple Sed759031
+Node: Igawk Program762105
+Ref: Igawk Program-Footnote-1776436
+Ref: Igawk Program-Footnote-2776638
+Ref: Igawk Program-Footnote-3776760
+Node: Anagram Program776875
+Node: Signature Program779937
+Node: Programs Summary781184
+Node: Programs Exercises782399
+Ref: Programs Exercises-Footnote-1786528
+Node: Advanced Features786619
+Node: Nondecimal Data788609
+Node: Array Sorting790200
+Node: Controlling Array Traversal790900
+Ref: Controlling Array Traversal-Footnote-1799269
+Node: Array Sorting Functions799387
+Ref: Array Sorting Functions-Footnote-1804478
+Node: Two-way I/O804674
+Ref: Two-way I/O-Footnote-1810494
+Ref: Two-way I/O-Footnote-2810681
+Node: TCP/IP Networking810763
+Node: Profiling813881
+Node: Advanced Features Summary822335
+Node: Internationalization824179
+Node: I18N and L10N825659
+Node: Explaining gettext826346
+Ref: Explaining gettext-Footnote-1831369
+Ref: Explaining gettext-Footnote-2831554
+Node: Programmer i18n831719
+Ref: Programmer i18n-Footnote-1836575
+Node: Translator i18n836624
+Node: String Extraction837418
+Ref: String Extraction-Footnote-1838551
+Node: Printf Ordering838637
+Ref: Printf Ordering-Footnote-1841423
+Node: I18N Portability841487
+Ref: I18N Portability-Footnote-1843943
+Node: I18N Example844006
+Ref: I18N Example-Footnote-1846812
+Node: Gawk I18N846885
+Node: I18N Summary847530
+Node: Debugger848871
+Node: Debugging849893
+Node: Debugging Concepts850334
+Node: Debugging Terms852143
+Node: Awk Debugging854718
+Node: Sample Debugging Session855624
+Node: Debugger Invocation856158
+Node: Finding The Bug857544
+Node: List of Debugger Commands864022
+Node: Breakpoint Control865355
+Node: Debugger Execution Control869049
+Node: Viewing And Changing Data872411
+Node: Execution Stack875785
+Node: Debugger Info877422
+Node: Miscellaneous Debugger Commands881493
+Node: Readline Support886581
+Node: Limitations887477
+Ref: Limitations-Footnote-1891708
+Node: Debugging Summary891759
+Node: Arbitrary Precision Arithmetic893038
+Node: Computer Arithmetic894454
+Ref: table-numeric-ranges898045
+Ref: Computer Arithmetic-Footnote-1898767
+Node: Math Definitions898824
+Ref: table-ieee-formats902138
+Ref: Math Definitions-Footnote-1902741
+Node: MPFR features902846
+Node: FP Math Caution904565
+Ref: FP Math Caution-Footnote-1905637
+Node: Inexactness of computations906006
+Node: Inexact representation906966
+Node: Comparing FP Values908326
+Node: Errors accumulate909408
+Node: Getting Accuracy910841
+Node: Try To Round913551
+Node: Setting precision914450
+Ref: table-predefined-precision-strings915147
+Node: Setting the rounding mode916977
+Ref: table-gawk-rounding-modes917351
+Ref: Setting the rounding mode-Footnote-1920759
+Node: Arbitrary Precision Integers920938
+Ref: Arbitrary Precision Integers-Footnote-1925855
+Node: POSIX Floating Point Problems926004
+Ref: POSIX Floating Point Problems-Footnote-1929886
+Node: Floating point summary929924
+Node: Dynamic Extensions932114
+Node: Extension Intro933667
+Node: Plugin License934933
+Node: Extension Mechanism Outline935730
+Ref: figure-load-extension936169
+Ref: figure-register-new-function937734
+Ref: figure-call-new-function938826
+Node: Extension API Description940889
+Node: Extension API Functions Introduction942421
+Node: General Data Types947280
+Ref: General Data Types-Footnote-1953235
+Node: Memory Allocation Functions953534
+Ref: Memory Allocation Functions-Footnote-1956379
+Node: Constructor Functions956478
+Node: Registration Functions958223
+Node: Extension Functions958908
+Node: Exit Callback Functions961207
+Node: Extension Version String962457
+Node: Input Parsers963120
+Node: Output Wrappers973005
+Node: Two-way processors977517
+Node: Printing Messages979781
+Ref: Printing Messages-Footnote-1980855
+Node: Updating ERRNO981008
+Node: Requesting Values981747
+Ref: table-value-types-returned982484
+Node: Accessing Parameters983367
+Node: Symbol Table Access984603
+Node: Symbol table by name985115
+Node: Symbol table by cookie987136
+Ref: Symbol table by cookie-Footnote-1991285
+Node: Cached values991349
+Ref: Cached values-Footnote-1994850
+Node: Array Manipulation994941
+Ref: Array Manipulation-Footnote-1996032
+Node: Array Data Types996069
+Ref: Array Data Types-Footnote-1998727
+Node: Array Functions998819
+Node: Flattening Arrays1002678
+Node: Creating Arrays1009586
+Node: Redirection API1014358
+Node: Extension API Variables1017189
+Node: Extension Versioning1017822
+Node: Extension API Informational Variables1019713
+Node: Extension API Boilerplate1020777
+Node: Finding Extensions1024591
+Node: Extension Example1025151
+Node: Internal File Description1025949
+Node: Internal File Ops1030029
+Ref: Internal File Ops-Footnote-11041791
+Node: Using Internal File Ops1041931
+Ref: Using Internal File Ops-Footnote-11044314
+Node: Extension Samples1044589
+Node: Extension Sample File Functions1046118
+Node: Extension Sample Fnmatch1053767
+Node: Extension Sample Fork1055254
+Node: Extension Sample Inplace1056472
+Node: Extension Sample Ord1059682
+Node: Extension Sample Readdir1060518
+Ref: table-readdir-file-types1061407
+Node: Extension Sample Revout1062212
+Node: Extension Sample Rev2way1062801
+Node: Extension Sample Read write array1063541
+Node: Extension Sample Readfile1065483
+Node: Extension Sample Time1066578
+Node: Extension Sample API Tests1067926
+Node: gawkextlib1068418
+Node: Extension summary1070865
+Node: Extension Exercises1074557
+Node: Language History1076054
+Node: V7/SVR3.11077710
+Node: SVR41079862
+Node: POSIX1081296
+Node: BTL1082676
+Node: POSIX/GNU1083406
+Node: Feature History1089268
+Node: Common Extensions1103638
+Node: Ranges and Locales1104921
+Ref: Ranges and Locales-Footnote-11109537
+Ref: Ranges and Locales-Footnote-21109564
+Ref: Ranges and Locales-Footnote-31109799
+Node: Contributors1110020
+Node: History summary1115589
+Node: Installation1116969
+Node: Gawk Distribution1117914
+Node: Getting1118398
+Node: Extracting1119359
+Node: Distribution contents1120997
+Node: Unix Installation1127093
+Node: Quick Installation1127775
+Node: Shell Startup Files1130189
+Node: Additional Configuration Options1131267
+Node: Configuration Philosophy1133072
+Node: Non-Unix Installation1135442
+Node: PC Installation1135900
+Node: PC Binary Installation1137220
+Node: PC Compiling1139072
+Ref: PC Compiling-Footnote-11142096
+Node: PC Testing1142205
+Node: PC Using1143385
+Node: Cygwin1147499
+Node: MSYS1148269
+Node: VMS Installation1148770
+Node: VMS Compilation1149561
+Ref: VMS Compilation-Footnote-11150791
+Node: VMS Dynamic Extensions1150849
+Node: VMS Installation Details1152534
+Node: VMS Running1154787
+Node: VMS GNV1159066
+Node: VMS Old Gawk1159801
+Node: Bugs1160272
+Node: Other Versions1164469
+Node: Installation summary1171055
+Node: Notes1172113
+Node: Compatibility Mode1172978
+Node: Additions1173760
+Node: Accessing The Source1174685
+Node: Adding Code1176121
+Node: New Ports1182340
+Node: Derived Files1186828
+Ref: Derived Files-Footnote-11192313
+Ref: Derived Files-Footnote-21192348
+Ref: Derived Files-Footnote-31192946
+Node: Future Extensions1193060
+Node: Implementation Limitations1193718
+Node: Extension Design1194901
+Node: Old Extension Problems1196055
+Ref: Old Extension Problems-Footnote-11197573
+Node: Extension New Mechanism Goals1197630
+Ref: Extension New Mechanism Goals-Footnote-11200994
+Node: Extension Other Design Decisions1201183
+Node: Extension Future Growth1203296
+Node: Old Extension Mechanism1204132
+Node: Notes summary1205895
+Node: Basic Concepts1207077
+Node: Basic High Level1207758
+Ref: figure-general-flow1208040
+Ref: figure-process-flow1208725
+Ref: Basic High Level-Footnote-11212026
+Node: Basic Data Typing1212211
+Node: Glossary1215539
+Node: Copying1247485
+Node: GNU Free Documentation License1285024
+Node: Index1310142
 
 End Tag Table