From c99f320d5c0fd98fe88d9cea5407eb7ad9d50e8a Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert@cs.ucla.edu>
Date: Mon, 4 Apr 2022 23:52:49 -0700
Subject: zgrep: port to POSIX sed
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* zgrep.in (res): When escaping the file name do not rely on GNU
sed’s extension to POSIX with respect to s/.../\n/. Instead, use
features that should also work with AIX and/or Solaris sed. This is
simpler anyway, and would have prevented the recently-fixed bug.
---
zgrep.in | 15 ++++-----------
1 file changed, 4 insertions(+), 11 deletions(-)
diff --git a/zgrep.in b/zgrep.in
index bdf7da2..6a16dd1 100644
--- a/zgrep.in
+++ b/zgrep.in
@@ -220,18 +220,11 @@ do
case $i in
(*'
'* | *'&'* | *'\'* | *'|'*)
- i=$(printf '%s\n' "$i" |
- sed '
- :start
- $!{
- N
- b start
- }
- s/[&\|]/\\&/g
- s/\n/\\n/g
- ');;
+ icolon=$(printf '%s\n' "$i:" |
+ sed -e 's/[&\|]/\\&/g' -e '$!s/$/\\/');;
+ (*) icolon="$i:";;
esac
- sed_script="s|^|$i:|"
+ sed_script="s|^|$icolon|"
# Fail if grep or sed fails.
r=$(
--
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