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Fix the following testcase by disabling global substitution if the regex

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is anchored to the start of line, there can be only one subst.
echo "aah" | sed 's/^a/b/g'
This commit is contained in:
Glenn L McGrath 2003-09-13 15:12:22 +00:00
parent c18ce373a2
commit f36635cec6
1 changed files with 5 additions and 3 deletions
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8
editors/sed.c
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@ -43,11 +43,11 @@
Unsupported features: Unsupported features:
- GNU extensions - GNU extensions
- and lots, lots more. - and more.
Bugs: 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 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]) { while (substr[++idx]) {
switch (substr[idx]) { switch (substr[idx]) {
case 'g': case 'g':
sed_cmd->sub_g = 1; if (match[0] != '^') {
sed_cmd->sub_g = 1;
}
break; break;
/* Hmm, i dont see the I option mentioned in the standard */ /* Hmm, i dont see the I option mentioned in the standard */
case 'I': case 'I':