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authorArnold D. Robbins <arnold@skeeve.com>2015-01-30 10:11:59 +0200
committerArnold D. Robbins <arnold@skeeve.com>2015-01-30 10:11:59 +0200
commit86cd3e2cb5117c5800997d3bb363b6d5470be3ce (patch)
treeaa8c2af3fe3006e0e40186792e85a161020df66f /doc/gawk.texi
parent2fc1e9855f7983fb75a7f72d3ec97eec467e4709 (diff)
parent1bd1b885c7dd16b5e4ab78c040312f6f7d742784 (diff)
downloadegawk-86cd3e2cb5117c5800997d3bb363b6d5470be3ce.tar.gz
egawk-86cd3e2cb5117c5800997d3bb363b6d5470be3ce.tar.bz2
egawk-86cd3e2cb5117c5800997d3bb363b6d5470be3ce.zip
Merge branch 'gawk-4.1-stable'
Diffstat (limited to 'doc/gawk.texi')
-rw-r--r--doc/gawk.texi19
1 files changed, 12 insertions, 7 deletions
diff --git a/doc/gawk.texi b/doc/gawk.texi
index f7640b58..68512c2d 100644
--- a/doc/gawk.texi
+++ b/doc/gawk.texi
@@ -19369,10 +19369,15 @@ the call.
A function cannot have two parameters with the same name, nor may it
have a parameter with the same name as the function itself.
-In addition, according to the POSIX standard, function parameters
+
+@quotation CAUTION
+According to the POSIX standard, function parameters
cannot have the same name as one of the special predefined variables
-(@pxref{Built-in Variables}). Not all versions of @command{awk} enforce
-this restriction.
+(@pxref{Built-in Variables}), nor may a function parameter have the
+same name as another function.
+Not all versions of @command{awk} enforce
+these restrictions.
+@end quotation
Local variables act like the empty string if referenced where a string
value is required, and like zero if referenced where a numeric value
@@ -20089,13 +20094,13 @@ using indirect function calls:
@c file eg/prog/indirectcall.awk
# average --- return the average of the values in fields $first - $last
-function average(first, last, sum, i)
+function average(first, last, the_sum, i)
@{
- sum = 0;
+ the_sum = 0;
for (i = first; i <= last; i++)
- sum += $i
+ the_sum += $i
- return sum / (last - first + 1)
+ return the_sum / (last - first + 1)
@}
# sum --- return the sum of the values in fields $first - $last