forked from pool/bzip2
28 lines
852 B
Diff
28 lines
852 B
Diff
|
Index: bzip2-1.0.6/bzgrep
|
||
|
|
===================================================================
|
||
|
|
--- bzip2-1.0.6.orig/bzgrep
|
||
|
|
+++ bzip2-1.0.6/bzgrep
|
||
|
|
@@ -65,8 +65,20 @@ for i do
|
||
|
|
else
|
||
|
|
j=$(echo "$i" | sed 's/\\/&&/g;s/|/\\&/g;s/&/\\&/g')
|
||
|
|
j=`printf "%s" "$j" | tr '\n' ' '`
|
||
|
|
- bzip2 -cdfq "$i" | $grep $opt "$pat" | sed "s|^|${j}:|"
|
||
|
|
- r=$?
|
||
|
|
+ # A trick adapted from
|
||
|
|
+ # https://groups.google.com/forum/#!original/comp.unix.shell/x1345iu10eg/Nn1n-1r1uU0J
|
||
|
|
+ # that has the same effect as the following bash code:
|
||
|
|
+ # bzip2 -cdfq "$i" | $grep $opt "$pat" | sed "s|^|${j}:|"
|
||
|
|
+ # r=${PIPESTATUS[1]}
|
||
|
|
+ exec 3>&1
|
||
|
|
+ eval `
|
||
|
|
+ exec 4>&1 >&3 3>&-
|
||
|
|
+ {
|
||
|
|
+ bzip2 -cdfq "$i" 4>&-
|
||
|
|
+ } | {
|
||
|
|
+ $grep $opt "$pat" 4>&-; echo "r=$?;" >&4
|
||
|
|
+ } | sed "s|^|${j}:|"
|
||
|
|
+ `
|
||
|
|
fi
|
||
|
|
test "$r" -ne 0 && res="$r"
|
||
|
|
done
|