forked from Mirrorlandia_minetest/irrlicht
67469c8899
- Fixing warnings - Updating bzip2 and zlib libraries git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/branches/ogl-es@6287 dfc29bdd-3216-0410-991c-e03cc46cb475
86 lines
2.0 KiB
Bash
86 lines
2.0 KiB
Bash
#!/bin/sh
|
|
|
|
# Bzgrep wrapped for bzip2,
|
|
# adapted from zgrep by Philippe Troin <phil@fifi.org> for Debian GNU/Linux.
|
|
## zgrep notice:
|
|
## zgrep -- a wrapper around a grep program that decompresses files as needed
|
|
## Adapted from a version sent by Charles Levert <charles@comm.polymtl.ca>
|
|
|
|
PATH="/usr/bin:$PATH"; export PATH
|
|
|
|
prog=`echo $0 | sed 's|.*/||'`
|
|
case "$prog" in
|
|
*egrep) grep=${EGREP-egrep} ;;
|
|
*fgrep) grep=${FGREP-fgrep} ;;
|
|
*) grep=${GREP-grep} ;;
|
|
esac
|
|
pat=""
|
|
while test $# -ne 0; do
|
|
case "$1" in
|
|
-e | -f) opt="$opt $1"; shift; pat="$1"
|
|
if test "$grep" = grep; then # grep is buggy with -e on SVR4
|
|
grep=egrep
|
|
fi;;
|
|
-A | -B) opt="$opt $1 $2"; shift;;
|
|
-*) opt="$opt $1";;
|
|
*) if test -z "$pat"; then
|
|
pat="$1"
|
|
else
|
|
break;
|
|
fi;;
|
|
esac
|
|
shift
|
|
done
|
|
|
|
if test -z "$pat"; then
|
|
echo "grep through bzip2 files"
|
|
echo "usage: $prog [grep_options] pattern [files]"
|
|
exit 1
|
|
fi
|
|
|
|
list=0
|
|
silent=0
|
|
op=`echo "$opt" | sed -e 's/ //g' -e 's/-//g'`
|
|
case "$op" in
|
|
*l*) list=1
|
|
esac
|
|
case "$op" in
|
|
*h*) silent=1
|
|
esac
|
|
|
|
if test $# -eq 0; then
|
|
bzip2 -cdfq | $grep $opt "$pat"
|
|
exit $?
|
|
fi
|
|
|
|
res=0
|
|
for i do
|
|
if test -f "$i"; then :; else if test -f "$i.bz2"; then i="$i.bz2"; fi; fi
|
|
if test $list -eq 1; then
|
|
bzip2 -cdfq "$i" | $grep $opt "$pat" 2>&1 > /dev/null && echo $i
|
|
r=$?
|
|
elif test $# -eq 1 -o $silent -eq 1; then
|
|
bzip2 -cdfq "$i" | $grep $opt "$pat"
|
|
r=$?
|
|
else
|
|
j=$(echo "$i" | sed 's/\\/&&/g;s/|/\\&/g;s/&/\\&/g')
|
|
j=`printf "%s" "$j" | tr '\n' ' '`
|
|
# 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
|
|
exit $res
|