src/bin/unzip/zipgrep

   1 #! /bin/sh
   2 # zipgrep: searches the given zip members for a string or pattern
   3 # This shell script assumes that you have installed UnZip.
   4
   5 pat=""
   6 opt=""
   7 while test $# -ne 0; do
   8   case "$1" in
   9   -e | -f) opt="$opt $1"; shift; pat="$1";;
  10   -*)      opt="$opt $1";;
  11    *)      if test -z "$pat"; then
  12              pat="$1"
  13            else
  14              break;
  15            fi;;
  16   esac
  17   shift
  18 done
  19
  20 if test $# = 0; then
  21   echo "usage: `basename $0` [egrep_options] pattern zipfile [members...]"
  22   echo searches the given zip members for a string or pattern
  23   exit 1
  24 fi
  25 zipfile="$1"; shift
  26
  27 list=0
  28 silent=0
  29 opt=`echo "$opt" | sed -e 's/ //g' -e 's/-//g'`
  30 case "$opt" in
  31   *l*) list=1; opt=`echo $opt | sed s/l//`
  32 esac
  33 case "$opt" in
  34   *h*) silent=1
  35 esac
  36 if test -n "$opt"; then
  37   opt="-$opt"
  38 fi
  39
  40 res=0
  41 for i in `unzip -Z1 "$zipfile" ${1+"$@"}`; do
  42   if test $list -eq 1; then
  43
  44     unzip -p-L "$zipfile" "$i" | egrep $opt "$pat" > /dev/null && echo $i
  45     r=$?
  46   elif test $silent -eq 1; then
  47
  48     unzip -p-L "$zipfile" "$i" | egrep $opt "$pat"
  49     r=$?
  50   else
  51     unzip -p-L "$zipfile" "$i" | egrep $opt "$pat" | sed "s|^|${i}:|"
  52     r=$?
  53   fi
  54   test "$r" -ne 0 && res="$r"
  55 done
  56 exit $res