From f36635cec6da728fe06b849089ce2f6c1690dc67 Mon Sep 17 00:00:00 2001
From: Glenn L McGrath <bug1@ihug.co.nz>
Date: Sat, 13 Sep 2003 15:12:22 +0000
Subject: Fix the following testcase by disabling global substitution if the
regex is anchored to the start of line, there can be only one subst. echo
"aah" | sed 's/^a/b/g'
---
editors/sed.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
(limited to 'editors')
diff --git a/editors/sed.c b/editors/sed.c
index 5bfe924a5..75ed53eb7 100644
--- a/editors/sed.c
+++ b/editors/sed.c
@@ -43,11 +43,11 @@
Unsupported features:
- GNU extensions
- - and lots, lots more.
+ - and more.
Bugs:
- - Cant subst globally using ^ or $ in regex, eg. "aah" | sed 's/^a/b/g'
+ - lots
Reference http://www.opengroup.org/onlinepubs/007904975/utilities/sed.html
*/
@@ -299,7 +299,9 @@ static int parse_subst_cmd(sed_cmd_t * const sed_cmd, const char *substr)
while (substr[++idx]) {
switch (substr[idx]) {
case 'g':
- sed_cmd->sub_g = 1;
+ if (match[0] != '^') {
+ sed_cmd->sub_g = 1;
+ }
break;
/* Hmm, i dont see the I option mentioned in the standard */
case 'I':
--
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