68 lines
1.3 KiB
Plaintext
68 lines
1.3 KiB
Plaintext
|
:
|
||
|
|
#!/bin/sh
|
||
|
|
|
||
|
|
# 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="/cygnus/cygwin-b20/H-i586-cygwin32/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;;
|
||
|
|
-*) opt="$opt $1";;
|
||
|
|
*) if test -z "$pat"; then
|
||
|
|
pat="$1"
|
||
|
|
else
|
||
|
|
break;
|
||
|
|
fi;;
|
||
|
|
esac
|
||
|
|
shift
|
||
|
|
done
|
||
|
|
|
||
|
|
if test -z "$pat"; then
|
||
|
|
echo "grep through gzip 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
|
||
|
|
gzip -cdfq | $grep $opt "$pat"
|
||
|
|
exit $?
|
||
|
|
fi
|
||
|
|
|
||
|
|
res=0
|
||
|
|
for i do
|
||
|
|
if test $list -eq 1; then
|
||
|
|
gzip -cdfq "$i" | $grep $opt "$pat" > /dev/null && echo $i
|
||
|
|
r=$?
|
||
|
|
elif test $# -eq 1 -o $silent -eq 1; then
|
||
|
|
gzip -cdfq "$i" | $grep $opt "$pat"
|
||
|
|
r=$?
|
||
|
|
else
|
||
|
|
gzip -cdfq "$i" | $grep $opt "$pat" | sed "s|^|${i}:|"
|
||
|
|
r=$?
|
||
|
|
fi
|
||
|
|
test "$r" -ne 0 && res="$r"
|
||
|
|
done
|
||
|
|
exit $res
|