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Diffstat (limited to 'doc/gawk.info')
| -rw-r--r-- | doc/gawk.info | 804 |
1 files changed, 406 insertions, 398 deletions
diff --git a/doc/gawk.info b/doc/gawk.info index 9033128e..33dc1f01 100644 --- a/doc/gawk.info +++ b/doc/gawk.info @@ -10074,10 +10074,18 @@ Options::), they are not special. An associative array containing the values of the environment. The array indices are the environment variable names; the elements are the values of the particular environment variables. For - example, `ENVIRON["HOME"]' might be `"/home/arnold"'. Changing - this array does not affect the environment passed on to any - programs that `awk' may spawn via redirection or the `system()' - function. (In a future version of `gawk', it may do so.) + example, `ENVIRON["HOME"]' might be `/home/arnold'. + + For POSIX `awk', changing this array does not affect the + environment passed on to any programs that `awk' may spawn via + redirection or the `system()' function. + + However, beginning with version 4.2, if not in POSIX compatibility + mode, `gawk' does update its own environment when `ENVIRON' is + changed, thus changing the environment seen by programs that it + creates. You should therefore be especially careful if you modify + `ENVIRON["PATH"]"', which is the search path for finding + executable programs. Some operating systems may not have environment variables. On such systems, the `ENVIRON' array is empty (except for @@ -31604,9 +31612,9 @@ Index * dark corner, exit statement: Exit Statement. (line 30) * dark corner, field separators: Field Splitting Summary. (line 46) -* dark corner, FILENAME variable <1>: Auto-set. (line 89) +* dark corner, FILENAME variable <1>: Auto-set. (line 97) * dark corner, FILENAME variable: Getline Notes. (line 19) -* dark corner, FNR/NR variables: Auto-set. (line 300) +* dark corner, FNR/NR variables: Auto-set. (line 308) * dark corner, format-control characters: Control Letters. (line 18) * dark corner, FS as null string: Single Character Fields. (line 20) @@ -31790,12 +31798,12 @@ Index (line 81) * differences in awk and gawk, command line directories: Command line directories. (line 6) -* differences in awk and gawk, ERRNO variable: Auto-set. (line 73) +* differences in awk and gawk, ERRNO variable: Auto-set. (line 81) * differences in awk and gawk, error messages: Special FD. (line 16) * differences in awk and gawk, FIELDWIDTHS variable: User-modified. (line 37) * differences in awk and gawk, FPAT variable: User-modified. (line 43) -* differences in awk and gawk, FUNCTAB variable: Auto-set. (line 114) +* differences in awk and gawk, FUNCTAB variable: Auto-set. (line 122) * differences in awk and gawk, function arguments (gawk): Calling Built-in. (line 16) * differences in awk and gawk, getline command: Getline. (line 19) @@ -31818,7 +31826,7 @@ Index (line 260) * differences in awk and gawk, print/printf statements: Format Modifiers. (line 13) -* differences in awk and gawk, PROCINFO array: Auto-set. (line 127) +* differences in awk and gawk, PROCINFO array: Auto-set. (line 135) * differences in awk and gawk, read timeouts: Read Timeout. (line 6) * differences in awk and gawk, record separators: awk split records. (line 124) @@ -31828,7 +31836,7 @@ Index (line 26) * differences in awk and gawk, RS/RT variables: gawk split records. (line 58) -* differences in awk and gawk, RT variable: Auto-set. (line 256) +* differences in awk and gawk, RT variable: Auto-set. (line 264) * differences in awk and gawk, single-character fields: Single Character Fields. (line 6) * differences in awk and gawk, split() function: String Functions. @@ -31836,7 +31844,7 @@ Index * differences in awk and gawk, strings: Scalar Constants. (line 20) * differences in awk and gawk, strings, storing: gawk split records. (line 77) -* differences in awk and gawk, SYMTAB variable: Auto-set. (line 260) +* differences in awk and gawk, SYMTAB variable: Auto-set. (line 268) * differences in awk and gawk, TEXTDOMAIN variable: User-modified. (line 152) * differences in awk and gawk, trunc-mod operation: Arithmetic Ops. @@ -31877,8 +31885,8 @@ Index * dynamically loaded extensions: Dynamic Extensions. (line 6) * e debugger command (alias for enable): Breakpoint Control. (line 73) * EBCDIC: Ordinal Functions. (line 45) -* effective group ID of gawk user: Auto-set. (line 132) -* effective user ID of gawk user: Auto-set. (line 136) +* effective group ID of gawk user: Auto-set. (line 140) +* effective user ID of gawk user: Auto-set. (line 144) * egrep utility <1>: Egrep Program. (line 6) * egrep utility: Bracket Expressions. (line 24) * egrep.awk program: Egrep Program. (line 53) @@ -31934,13 +31942,13 @@ Index (line 11) * EREs (Extended Regular Expressions): Bracket Expressions. (line 24) * ERRNO variable <1>: TCP/IP Networking. (line 54) -* ERRNO variable: Auto-set. (line 73) +* ERRNO variable: Auto-set. (line 81) * ERRNO variable, with BEGINFILE pattern: BEGINFILE/ENDFILE. (line 26) * ERRNO variable, with close() function: Close Files And Pipes. (line 139) * ERRNO variable, with getline command: Getline. (line 19) * error handling: Special FD. (line 16) -* error handling, ERRNO variable and: Auto-set. (line 73) +* error handling, ERRNO variable and: Auto-set. (line 81) * error output: Special FD. (line 6) * escape processing, gsub()/gensub()/sub() functions: Gory Details. (line 6) @@ -31994,7 +32002,7 @@ Index (line 6) * extension API version: Extension Versioning. (line 6) -* extension API, version number: Auto-set. (line 223) +* extension API, version number: Auto-set. (line 231) * extension example: Extension Example. (line 6) * extension registration: Registration Functions. (line 6) @@ -32073,7 +32081,7 @@ Index * file names, distinguishing: Auto-set. (line 55) * file names, in compatibility mode: Special Caveats. (line 9) * file names, standard streams in gawk: Special FD. (line 46) -* FILENAME variable <1>: Auto-set. (line 89) +* FILENAME variable <1>: Auto-set. (line 97) * FILENAME variable: Reading Files. (line 6) * FILENAME variable, getline, setting with: Getline Notes. (line 19) * filenames, assignments as: Ignoring Assigns. (line 6) @@ -32143,9 +32151,9 @@ Index * flush buffered output: I/O Functions. (line 28) * fnmatch() extension function: Extension Sample Fnmatch. (line 12) -* FNR variable <1>: Auto-set. (line 98) +* FNR variable <1>: Auto-set. (line 106) * FNR variable: Records. (line 6) -* FNR variable, changing: Auto-set. (line 300) +* FNR variable, changing: Auto-set. (line 308) * for statement: For Statement. (line 6) * for statement, looping over arrays: Scanning an Array. (line 20) * fork() extension function: Extension Sample Fork. @@ -32195,7 +32203,7 @@ Index * FSF (Free Software Foundation): Manual History. (line 6) * fts() extension function: Extension Sample File Functions. (line 61) -* FUNCTAB array: Auto-set. (line 114) +* FUNCTAB array: Auto-set. (line 122) * function calls: Function Calls. (line 6) * function calls, indirect: Indirect Calls. (line 6) * function definition example: Function Example. (line 6) @@ -32245,7 +32253,7 @@ Index * G-d: Acknowledgments. (line 78) * Garfinkle, Scott: Contributors. (line 34) * gawk program, dynamic profiling: Profiling. (line 179) -* gawk version: Auto-set. (line 198) +* gawk version: Auto-set. (line 206) * gawk, ARGIND variable in: Other Arguments. (line 12) * gawk, awk and <1>: This Manual. (line 14) * gawk, awk and: Preface. (line 23) @@ -32266,7 +32274,7 @@ Index * gawk, distribution: Distribution contents. (line 6) * gawk, ERRNO variable in <1>: TCP/IP Networking. (line 54) -* gawk, ERRNO variable in <2>: Auto-set. (line 73) +* gawk, ERRNO variable in <2>: Auto-set. (line 81) * gawk, ERRNO variable in <3>: BEGINFILE/ENDFILE. (line 26) * gawk, ERRNO variable in <4>: Close Files And Pipes. (line 139) @@ -32283,7 +32291,7 @@ Index * gawk, FPAT variable in <1>: User-modified. (line 43) * gawk, FPAT variable in: Splitting By Content. (line 27) -* gawk, FUNCTAB array in: Auto-set. (line 114) +* gawk, FUNCTAB array in: Auto-set. (line 122) * gawk, function arguments and: Calling Built-in. (line 16) * gawk, hexadecimal numbers and: Nondecimal-numbers. (line 42) * gawk, IGNORECASE variable in <1>: Array Sorting Functions. @@ -32314,7 +32322,7 @@ Index * gawk, OS/2 version of: PC Using. (line 16) * gawk, PROCINFO array in <1>: Two-way I/O. (line 117) * gawk, PROCINFO array in <2>: Time Functions. (line 47) -* gawk, PROCINFO array in: Auto-set. (line 127) +* gawk, PROCINFO array in: Auto-set. (line 135) * gawk, regexp constants and: Using Constant Regexps. (line 28) * gawk, regular expressions, case sensitivity: Case-sensitivity. @@ -32322,14 +32330,14 @@ Index * gawk, regular expressions, operators: GNU Regexp Operators. (line 6) * gawk, regular expressions, precedence: Regexp Operators. (line 162) -* gawk, RT variable in <1>: Auto-set. (line 256) +* gawk, RT variable in <1>: Auto-set. (line 264) * gawk, RT variable in <2>: Multiple Line. (line 129) * gawk, RT variable in: awk split records. (line 124) * gawk, See Also awk: Preface. (line 36) * gawk, source code, obtaining: Getting. (line 6) * gawk, splitting fields and: Constant Size. (line 88) * gawk, string-translation functions: I18N Functions. (line 6) -* gawk, SYMTAB array in: Auto-set. (line 260) +* gawk, SYMTAB array in: Auto-set. (line 268) * gawk, TEXTDOMAIN variable in: User-modified. (line 152) * gawk, timestamps: Time Functions. (line 6) * gawk, uses for: Preface. (line 36) @@ -32416,7 +32424,7 @@ Index * Grigera, Juan: Contributors. (line 57) * group database, reading: Group Functions. (line 6) * group file: Group Functions. (line 6) -* group ID of gawk user: Auto-set. (line 171) +* group ID of gawk user: Auto-set. (line 179) * groups, information about: Group Functions. (line 6) * gsub <1>: String Functions. (line 139) * gsub: Using Constant Regexps. @@ -32713,7 +32721,7 @@ Index * mawk utility <3>: Concatenation. (line 36) * mawk utility <4>: Getline/Pipe. (line 62) * mawk utility: Escape Sequences. (line 124) -* maximum precision supported by MPFR library: Auto-set. (line 212) +* maximum precision supported by MPFR library: Auto-set. (line 220) * McIlroy, Doug: Glossary. (line 149) * McPhee, Patrick: Contributors. (line 100) * message object files: Explaining gettext. (line 42) @@ -32726,7 +32734,7 @@ Index * messages from extensions: Printing Messages. (line 6) * metacharacters in regular expressions: Regexp Operators. (line 6) * metacharacters, escape sequences for: Escape Sequences. (line 130) -* minimum precision supported by MPFR library: Auto-set. (line 215) +* minimum precision supported by MPFR library: Auto-set. (line 223) * mktime: Time Functions. (line 25) * modifiers, in format specifiers: Format Modifiers. (line 6) * monetary information, localization: Explaining gettext. (line 104) @@ -32780,7 +32788,7 @@ Index (line 47) * nexti debugger command: Debugger Execution Control. (line 49) -* NF variable <1>: Auto-set. (line 103) +* NF variable <1>: Auto-set. (line 111) * NF variable: Fields. (line 33) * NF variable, decrementing: Changing Fields. (line 107) * ni debugger command (alias for nexti): Debugger Execution Control. @@ -32789,9 +32797,9 @@ Index * non-existent array elements: Reference to Elements. (line 23) * not Boolean-logic operator: Boolean Ops. (line 6) -* NR variable <1>: Auto-set. (line 122) +* NR variable <1>: Auto-set. (line 130) * NR variable: Records. (line 6) -* NR variable, changing: Auto-set. (line 300) +* NR variable, changing: Auto-set. (line 308) * null strings <1>: Basic Data Typing. (line 26) * null strings <2>: Truth Values. (line 6) * null strings <3>: Regexp Field Splitting. @@ -32906,7 +32914,7 @@ Index * p debugger command (alias for print): Viewing And Changing Data. (line 36) * Papadopoulos, Panos: Contributors. (line 129) -* parent process ID of gawk process: Auto-set. (line 180) +* parent process ID of gawk process: Auto-set. (line 188) * parentheses (), in a profile: Profiling. (line 146) * parentheses (), regexp operator: Regexp Operators. (line 80) * password file: Passwd Functions. (line 16) @@ -33071,24 +33079,24 @@ Index * printing, unduplicated lines of text: Uniq Program. (line 6) * printing, user information: Id Program. (line 6) * private variables: Library Names. (line 11) -* process group idIDof gawk process: Auto-set. (line 174) -* process ID of gawk process: Auto-set. (line 177) +* process group idIDof gawk process: Auto-set. (line 182) +* process ID of gawk process: Auto-set. (line 185) * processes, two-way communications with: Two-way I/O. (line 23) * processing data: Basic High Level. (line 6) * PROCINFO array <1>: Passwd Functions. (line 6) * PROCINFO array <2>: Time Functions. (line 47) -* PROCINFO array: Auto-set. (line 127) +* PROCINFO array: Auto-set. (line 135) * PROCINFO array, and communications via ptys: Two-way I/O. (line 117) * PROCINFO array, and group membership: Group Functions. (line 6) * PROCINFO array, and user and group ID numbers: Id Program. (line 15) * PROCINFO array, testing the field splitting: Passwd Functions. (line 161) -* PROCINFO array, uses: Auto-set. (line 233) +* PROCINFO array, uses: Auto-set. (line 241) * PROCINFO, values of sorted_in: Controlling Scanning. (line 26) * profiling awk programs: Profiling. (line 6) * profiling awk programs, dynamically: Profiling. (line 179) -* program identifiers: Auto-set. (line 145) +* program identifiers: Auto-set. (line 153) * program, definition of: Getting Started. (line 21) * programmers, attractiveness of: Two-way I/O. (line 6) * programming conventions, --non-decimal-data option: Nondecimal Data. @@ -33248,7 +33256,7 @@ Index * right shift: Bitwise Functions. (line 52) * right shift, bitwise: Bitwise Functions. (line 32) * Ritchie, Dennis: Basic Data Typing. (line 54) -* RLENGTH variable: Auto-set. (line 243) +* RLENGTH variable: Auto-set. (line 251) * RLENGTH variable, match() function and: String Functions. (line 224) * Robbins, Arnold <1>: Future Extensions. (line 6) * Robbins, Arnold <2>: Bugs. (line 32) @@ -33277,9 +33285,9 @@ Index * RS variable: awk split records. (line 12) * RS variable, multiline records and: Multiple Line. (line 17) * rshift: Bitwise Functions. (line 52) -* RSTART variable: Auto-set. (line 249) +* RSTART variable: Auto-set. (line 257) * RSTART variable, match() function and: String Functions. (line 224) -* RT variable <1>: Auto-set. (line 256) +* RT variable <1>: Auto-set. (line 264) * RT variable <2>: Multiple Line. (line 129) * RT variable: awk split records. (line 124) * Rubin, Paul <1>: Contributors. (line 15) @@ -33299,7 +33307,7 @@ Index * scanning arrays: Scanning an Array. (line 6) * scanning multidimensional arrays: Multiscanning. (line 11) * Schorr, Andrew <1>: Contributors. (line 134) -* Schorr, Andrew <2>: Auto-set. (line 283) +* Schorr, Andrew <2>: Auto-set. (line 291) * Schorr, Andrew: Acknowledgments. (line 60) * Schreiber, Bert: Acknowledgments. (line 38) * Schreiber, Rita: Acknowledgments. (line 38) @@ -33387,7 +33395,7 @@ Index (line 110) * sidebar, Changing FS Does Not Affect the Fields: Field Splitting Summary. (line 38) -* sidebar, Changing NR and FNR: Auto-set. (line 298) +* sidebar, Changing NR and FNR: Auto-set. (line 306) * sidebar, Controlling Output Buffering with system(): I/O Functions. (line 138) * sidebar, Escape Sequences for Metacharacters: Escape Sequences. @@ -33549,9 +33557,9 @@ Index * substr: String Functions. (line 479) * substring: String Functions. (line 479) * Sumner, Andrew: Other Versions. (line 64) -* supplementary groups of gawk process: Auto-set. (line 228) +* supplementary groups of gawk process: Auto-set. (line 236) * switch statement: Switch Statement. (line 6) -* SYMTAB array: Auto-set. (line 260) +* SYMTAB array: Auto-set. (line 268) * syntactic ambiguity: /= operator vs. /=.../ regexp constant: Assignment Ops. (line 148) * system: I/O Functions. (line 75) @@ -33729,10 +33737,10 @@ Index * variables, uninitialized, as array subscripts: Uninitialized Subscripts. (line 6) * variables, user-defined: Variables. (line 6) -* version of gawk: Auto-set. (line 198) -* version of gawk extension API: Auto-set. (line 223) -* version of GNU MP library: Auto-set. (line 209) -* version of GNU MPFR library: Auto-set. (line 205) +* version of gawk: Auto-set. (line 206) +* version of gawk extension API: Auto-set. (line 231) +* version of GNU MP library: Auto-set. (line 217) +* version of GNU MPFR library: Auto-set. (line 213) * vertical bar (|): Regexp Operators. (line 70) * vertical bar (|), | operator (I/O) <1>: Precedence. (line 65) * vertical bar (|), | operator (I/O): Getline/Pipe. (line 9) @@ -34017,354 +34025,354 @@ Node: Built-in Variables420302 Node: User-modified421429 Ref: User-modified-Footnote-1429114 Node: Auto-set429176 -Ref: Auto-set-Footnote-1441722 -Ref: Auto-set-Footnote-2441927 -Node: ARGC and ARGV441983 -Node: Pattern Action Summary445822 -Node: Arrays448045 -Node: Array Basics449594 -Node: Array Intro450420 -Ref: figure-array-elements452393 -Node: Reference to Elements454800 -Node: Assigning Elements457073 -Node: Array Example457564 -Node: Scanning an Array459296 -Node: Controlling Scanning462311 -Ref: Controlling Scanning-Footnote-1467484 -Node: Delete467800 -Ref: Delete-Footnote-1470565 -Node: Numeric Array Subscripts470622 -Node: Uninitialized Subscripts472805 -Node: Multidimensional474430 -Node: Multiscanning477523 -Node: Arrays of Arrays479112 -Node: Arrays Summary483775 -Node: Functions485880 -Node: Built-in486753 -Node: Calling Built-in487831 -Node: Numeric Functions489819 -Ref: Numeric Functions-Footnote-1493653 -Ref: Numeric Functions-Footnote-2494010 -Ref: Numeric Functions-Footnote-3494058 -Node: String Functions494327 -Ref: String Functions-Footnote-1517338 -Ref: String Functions-Footnote-2517467 -Ref: String Functions-Footnote-3517715 -Node: Gory Details517802 -Ref: table-sub-escapes519471 -Ref: table-sub-posix-92520825 -Ref: table-sub-proposed522176 -Ref: table-posix-sub523530 -Ref: table-gensub-escapes525075 -Ref: Gory Details-Footnote-1526251 -Ref: Gory Details-Footnote-2526302 -Node: I/O Functions526453 -Ref: I/O Functions-Footnote-1533576 -Node: Time Functions533723 -Ref: Time Functions-Footnote-1544187 -Ref: Time Functions-Footnote-2544255 -Ref: Time Functions-Footnote-3544413 -Ref: Time Functions-Footnote-4544524 -Ref: Time Functions-Footnote-5544636 -Ref: Time Functions-Footnote-6544863 -Node: Bitwise Functions545129 -Ref: table-bitwise-ops545691 -Ref: Bitwise Functions-Footnote-1549936 -Node: Type Functions550120 -Node: I18N Functions551262 -Node: User-defined552907 -Node: Definition Syntax553711 -Ref: Definition Syntax-Footnote-1558636 -Node: Function Example558705 -Ref: Function Example-Footnote-1561349 -Node: Function Caveats561371 -Node: Calling A Function561889 -Node: Variable Scope562844 -Node: Pass By Value/Reference565832 -Node: Return Statement569340 -Node: Dynamic Typing572324 -Node: Indirect Calls573253 -Node: Functions Summary582966 -Node: Library Functions585505 -Ref: Library Functions-Footnote-1589080 -Ref: Library Functions-Footnote-2589223 -Node: Library Names589394 -Ref: Library Names-Footnote-1592867 -Ref: Library Names-Footnote-2593087 -Node: General Functions593173 -Node: Strtonum Function594201 -Node: Assert Function597131 -Node: Round Function600457 -Node: Cliff Random Function601998 -Node: Ordinal Functions603014 -Ref: Ordinal Functions-Footnote-1606091 -Ref: Ordinal Functions-Footnote-2606343 -Node: Join Function606554 -Ref: Join Function-Footnote-1608325 -Node: Getlocaltime Function608525 -Node: Readfile Function612261 -Node: Data File Management614100 -Node: Filetrans Function614732 -Node: Rewind Function618787 -Node: File Checking620174 -Ref: File Checking-Footnote-1621306 -Node: Empty Files621507 -Node: Ignoring Assigns623730 -Node: Getopt Function625263 -Ref: Getopt Function-Footnote-1636559 -Node: Passwd Functions636762 -Ref: Passwd Functions-Footnote-1645741 -Node: Group Functions645829 -Ref: Group Functions-Footnote-1653771 -Node: Walking Arrays653984 -Node: Library Functions Summary656154 -Node: Sample Programs657516 -Node: Running Examples658243 -Node: Clones658971 -Node: Cut Program660195 -Node: Egrep Program670056 -Ref: Egrep Program-Footnote-1677985 -Node: Id Program678095 -Node: Split Program681759 -Ref: Split Program-Footnote-1685290 -Node: Tee Program685418 -Node: Uniq Program688225 -Node: Wc Program695655 -Ref: Wc Program-Footnote-1699923 -Ref: Wc Program-Footnote-2700123 -Node: Miscellaneous Programs700215 -Node: Dupword Program701428 -Node: Alarm Program703459 -Node: Translate Program708273 -Ref: Translate Program-Footnote-1712664 -Ref: Translate Program-Footnote-2712934 -Node: Labels Program713068 -Ref: Labels Program-Footnote-1716439 -Node: Word Sorting716523 -Node: History Sorting720566 -Node: Extract Program722402 -Ref: Extract Program-Footnote-1729977 -Node: Simple Sed730106 -Node: Igawk Program733168 -Ref: Igawk Program-Footnote-1748344 -Ref: Igawk Program-Footnote-2748545 -Node: Anagram Program748683 -Node: Signature Program751751 -Node: Programs Summary752998 -Node: Advanced Features754186 -Node: Nondecimal Data756134 -Node: Array Sorting757711 -Node: Controlling Array Traversal758408 -Node: Array Sorting Functions766688 -Ref: Array Sorting Functions-Footnote-1770595 -Node: Two-way I/O770789 -Ref: Two-way I/O-Footnote-1776305 -Node: TCP/IP Networking776387 -Node: Profiling779231 -Node: Advanced Features Summary786773 -Node: Internationalization788637 -Node: I18N and L10N790117 -Node: Explaining gettext790803 -Ref: Explaining gettext-Footnote-1795943 -Ref: Explaining gettext-Footnote-2796127 -Node: Programmer i18n796292 -Node: Translator i18n800517 -Node: String Extraction801311 -Ref: String Extraction-Footnote-1802272 -Node: Printf Ordering802358 -Ref: Printf Ordering-Footnote-1805140 -Node: I18N Portability805204 -Ref: I18N Portability-Footnote-1807653 -Node: I18N Example807716 -Ref: I18N Example-Footnote-1810438 -Node: Gawk I18N810510 -Node: I18N Summary811148 -Node: Debugger812487 -Node: Debugging813509 -Node: Debugging Concepts813950 -Node: Debugging Terms815806 -Node: Awk Debugging818403 -Node: Sample Debugging Session819295 -Node: Debugger Invocation819815 -Node: Finding The Bug821148 -Node: List of Debugger Commands827630 -Node: Breakpoint Control828962 -Node: Debugger Execution Control832626 -Node: Viewing And Changing Data835986 -Node: Execution Stack839344 -Node: Debugger Info840857 -Node: Miscellaneous Debugger Commands844851 -Node: Readline Support850035 -Node: Limitations850927 -Node: Debugging Summary853201 -Node: Arbitrary Precision Arithmetic854365 -Ref: Arbitrary Precision Arithmetic-Footnote-1856014 -Node: General Arithmetic856162 -Node: Floating Point Issues857882 -Node: String Conversion Precision858763 -Ref: String Conversion Precision-Footnote-1860468 -Node: Unexpected Results860577 -Node: POSIX Floating Point Problems862730 -Ref: POSIX Floating Point Problems-Footnote-1866551 -Node: Integer Programming866589 -Node: Floating-point Programming868400 -Ref: Floating-point Programming-Footnote-1874728 -Ref: Floating-point Programming-Footnote-2874998 -Node: Floating-point Representation875262 -Node: Floating-point Context876427 -Ref: table-ieee-formats877266 -Node: Rounding Mode878650 -Ref: table-rounding-modes879129 -Ref: Rounding Mode-Footnote-1882144 -Node: Gawk and MPFR882323 -Node: Arbitrary Precision Floats883732 -Ref: Arbitrary Precision Floats-Footnote-1886175 -Node: Setting Precision886496 -Ref: table-predefined-precision-strings887180 -Node: Setting Rounding Mode889325 -Ref: table-gawk-rounding-modes889729 -Node: Floating-point Constants890916 -Node: Changing Precision892368 -Ref: Changing Precision-Footnote-1893760 -Node: Exact Arithmetic893934 -Node: Arbitrary Precision Integers897068 -Ref: Arbitrary Precision Integers-Footnote-1900083 -Node: Dynamic Extensions900230 -Node: Extension Intro901688 -Node: Plugin License902953 -Node: Extension Mechanism Outline903638 -Ref: figure-load-extension904062 -Ref: figure-load-new-function905547 -Ref: figure-call-new-function906549 -Node: Extension API Description908533 -Node: Extension API Functions Introduction909983 -Node: General Data Types914849 -Ref: General Data Types-Footnote-1920542 -Node: Requesting Values920841 -Ref: table-value-types-returned921578 -Node: Memory Allocation Functions922536 -Ref: Memory Allocation Functions-Footnote-1925283 -Node: Constructor Functions925379 -Node: Registration Functions927137 -Node: Extension Functions927822 -Node: Exit Callback Functions930124 -Node: Extension Version String931374 -Node: Input Parsers932024 -Node: Output Wrappers941827 -Node: Two-way processors946343 -Node: Printing Messages948547 -Ref: Printing Messages-Footnote-1949624 -Node: Updating `ERRNO'949776 -Node: Accessing Parameters950515 -Node: Symbol Table Access951745 -Node: Symbol table by name952259 -Node: Symbol table by cookie954235 -Ref: Symbol table by cookie-Footnote-1958368 -Node: Cached values958431 -Ref: Cached values-Footnote-1961936 -Node: Array Manipulation962027 -Ref: Array Manipulation-Footnote-1963125 -Node: Array Data Types963164 -Ref: Array Data Types-Footnote-1965867 -Node: Array Functions965959 -Node: Flattening Arrays969833 -Node: Creating Arrays976685 -Node: Extension API Variables981416 -Node: Extension Versioning982052 -Node: Extension API Informational Variables983953 -Node: Extension API Boilerplate985039 -Node: Finding Extensions988843 -Node: Extension Example989403 -Node: Internal File Description990133 -Node: Internal File Ops994224 -Ref: Internal File Ops-Footnote-11005770 -Node: Using Internal File Ops1005910 -Ref: Using Internal File Ops-Footnote-11008257 -Node: Extension Samples1008525 -Node: Extension Sample File Functions1010049 -Node: Extension Sample Fnmatch1017617 -Node: Extension Sample Fork1019084 -Node: Extension Sample Inplace1020297 -Node: Extension Sample Ord1022063 -Node: Extension Sample Readdir1022899 -Ref: table-readdir-file-types1023748 -Node: Extension Sample Revout1024547 -Node: Extension Sample Rev2way1025138 -Node: Extension Sample Read write array1025879 -Node: Extension Sample Readfile1027758 -Node: Extension Sample API Tests1028858 -Node: Extension Sample Time1029383 -Node: gawkextlib1030698 -Node: Language History1033485 -Node: V7/SVR3.11035079 -Node: SVR41037399 -Node: POSIX1038841 -Node: BTL1040227 -Node: POSIX/GNU1040961 -Node: Feature History1046560 -Node: Common Extensions1059672 -Node: Ranges and Locales1060984 -Ref: Ranges and Locales-Footnote-11065601 -Ref: Ranges and Locales-Footnote-21065628 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