kc3-lang/bzip2/bzdiff

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• Hash : f7d209bf
  Author :
  Date : 2019-07-11T23:24:29
  

  fix bzdiff when TMPDIR contains spaces
  
  The bzdiff script doesn't contain enough quotes, so that it doesn't
  work if the TMPDIR environment variable is defined and contains
  spaces.
  
  https://bugs.debian.org/493710
  Author: Vincent Lefevre <vincent@vinc17.org>
  

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• bzdiff

• #!/bin/sh
  # sh is buggy on RS/6000 AIX 3.2. Replace above line with #!/bin/ksh
  
  # Bzcmp/diff wrapped for bzip2, 
  # adapted from zdiff by Philippe Troin <phil@fifi.org> for Debian GNU/Linux.
  
  # Bzcmp and bzdiff are used to invoke the cmp or the  diff  pro-
  # gram  on compressed files.  All options specified are passed
  # directly to cmp or diff.  If only 1 file is specified,  then
  # the  files  compared  are file1 and an uncompressed file1.gz.
  # If two files are specified, then they are  uncompressed  (if
  # necessary) and fed to cmp or diff.  The exit status from cmp
  # or diff is preserved.
  
  PATH="/usr/bin:/bin:$PATH"; export PATH
  prog=`echo $0 | sed 's|.*/||'`
  case "$prog" in
    *cmp) comp=${CMP-cmp}   ;;
    *)    comp=${DIFF-diff} ;;
  esac
  
  OPTIONS=
  FILES=
  for ARG
  do
      case "$ARG" in
      -*)	OPTIONS="$OPTIONS $ARG";;
       *)	if test -f "$ARG"; then
              FILES="$FILES $ARG"
          else
              echo "${prog}: $ARG not found or not a regular file"
  	    exit 1
          fi ;;
      esac
  done
  if test -z "$FILES"; then
  	echo "Usage: $prog [${comp}_options] file [file]"
  	exit 1
  fi
  set $FILES
  if test $# -eq 1; then
  	FILE=`echo "$1" | sed 's/.bz2$//'`
  	bzip2 -cd "$FILE.bz2" | $comp $OPTIONS - "$FILE"
  	STAT="$?"
  
  elif test $# -eq 2; then
  	case "$1" in
          *.bz2)
                  case "$2" in
  	        *.bz2)
  			F=`echo "$2" | sed 's|.*/||;s|.bz2$||'`
  			tmp=`mktemp "${TMPDIR:-/tmp}"/bzdiff.XXXXXXXXXX` || {
  			      echo 'cannot create a temporary file' >&2
  			      exit 1
  			}
                          bzip2 -cdfq "$2" > "$tmp"
                          bzip2 -cdfq "$1" | $comp $OPTIONS - "$tmp"
                          STAT="$?"
  			/bin/rm -f "$tmp";;
  
                  *)      bzip2 -cdfq "$1" | $comp $OPTIONS - "$2"
                          STAT="$?";;
                  esac;;
          *)      case "$2" in
  	        *.bz2)
                          bzip2 -cdfq "$2" | $comp $OPTIONS "$1" -
                          STAT="$?";;
                  *)      $comp $OPTIONS "$1" "$2"
                          STAT="$?";;
                  esac;;
  	esac
  else
  	echo "Usage: $prog [${comp}_options] file [file]"
  	exit 1
  fi
  exit "$STAT"
  

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