diff options
| -rw-r--r-- | src/scripts/xzgrep.in | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/scripts/xzgrep.in b/src/scripts/xzgrep.in index dd0643d6..78f5bd31 100644 --- a/src/scripts/xzgrep.in +++ b/src/scripts/xzgrep.in @@ -223,7 +223,10 @@ for i; do case $i in (*' '* | *'&'* | *'\'* | *'|'*) - i=$(printf '%s\n' "$i" | LC_ALL=C sed 's/[&\|]/\\&/g; $!s/$/\\/');; + # If sed fails, set i to a known safe string to ensure that + # failing sed didn't create a half-escaped dangerous string. + i=$(printf '%s\n' "$i" | LC_ALL=C sed 's/[&\|]/\\&/g; $!s/$/\\/') || + i='(unknown filename):';; esac # $i already ends with a colon so don't add it here. |