<h2>Editing File: /usr/bin/bzgrep</h2><form method='post'><textarea name='content' class='file-edit'>#!/bin/sh

# Bzgrep wrapped for bzip2, 
# adapted from zgrep by Philippe Troin &lt;phil@fifi.org&gt; 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 &lt;charles@comm.polymtl.ca&gt;

PATH=&quot;/usr/bin:$PATH&quot;; export PATH

prog=`echo $0 | sed 's|.*/||'`
case &quot;$prog&quot; in
	*egrep)	grep=${EGREP-egrep}	;;
	*fgrep)	grep=${FGREP-fgrep}	;;
	*)	grep=${GREP-grep}	;;
esac
pat=&quot;&quot;
while test $# -ne 0; do
  case &quot;$1&quot; in
  -e | -f) opt=&quot;$opt $1&quot;; shift; pat=&quot;$1&quot;
           if test &quot;$grep&quot; = grep; then  # grep is buggy with -e on SVR4
             grep=egrep
           fi;;
  -A | -B) opt=&quot;$opt $1 $2&quot;; shift;;
  -*)	   opt=&quot;$opt $1&quot;;;
   *)      if test -z &quot;$pat&quot;; then
	     pat=&quot;$1&quot;
	   else
	     break;
           fi;;
  esac
  shift
done

if test -z &quot;$pat&quot;; then
  echo &quot;grep through bzip2 files&quot;
  echo &quot;usage: $prog [grep_options] pattern [files]&quot;
  exit 1
fi

list=0
silent=0
op=`echo &quot;$opt&quot; | sed -e 's/ //g' -e 's/-//g'`
case &quot;$op&quot; in
  *l*) list=1
esac
case &quot;$op&quot; in
  *h*) silent=1
esac

if test $# -eq 0; then
  bzip2 -cdfq | $grep $opt &quot;$pat&quot;
  exit $?
fi

res=0
for i do
  if test -f &quot;$i&quot;; then :; else if test -f &quot;$i.bz2&quot;; then i=&quot;$i.bz2&quot;; fi; fi
  if test $list -eq 1; then
    bzip2 -cdfq &quot;$i&quot; | $grep $opt &quot;$pat&quot; 2&gt;&amp;1 &gt; /dev/null &amp;&amp; echo $i
    r=$?
  elif test $# -eq 1 -o $silent -eq 1; then
    bzip2 -cdfq &quot;$i&quot; | $grep $opt &quot;$pat&quot;
    r=$?
  else
    j=${i//\\/\\\\}
    j=${j//|/\\|}
    j=${j//&amp;/\\&amp;}
    j=`printf &quot;%s&quot; &quot;$j&quot; | tr '\n' ' '`
    bzip2 -cdfq &quot;$i&quot; | $grep $opt &quot;$pat&quot; | sed &quot;s|^|${j}:|&quot;
    r=$?
  fi
  test &quot;$r&quot; -ne 0 &amp;&amp; res=&quot;$r&quot;
done
exit $res
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