scripts/undeb

   1 #!/bin/sh
   2 #
   3 usage() {
   4 echo "Usage: undeb -c package.deb            <Print control file info>"
   5 echo "       undeb -l package.deb            <List contents of deb package>"
   6 echo "       undeb -x package.deb /foo/boo   <Extract deb package to this directory,"
   7 echo "                                        put . for current directory>"
   8 exit
   9 }
  10
  11 deb=$2
  12
  13 exist() {
  14 if [ "$deb" = "" ]; then
  15 usage
  16 elif [ ! -s "$deb" ]; then
  17 echo "Can't find $deb!"
  18 exit
  19 fi
  20 }
  21
  22 if [ "$1" = "" ]; then
  23 usage
  24 elif [ "$1" = "-l" ]; then
  25 exist
  26 type more >/dev/null 2>&1 && pager=more
  27 type less >/dev/null 2>&1 && pager=less
  28 trap "" 13
  29 (ar -p $deb control.tar.gz | gunzip -c | tar -x -O control ; echo -e "\nPress enter to scroll, q to Quit!\n" ; ar -p $deb data.tar.gz | gunzip -c | tar -t -v 2>/dev/null) | $pager
  30 exit
  31 elif [ "$1" = "-c" ]; then
  32 exist
  33 ar -p $deb control.tar.gz | gunzip -c | tar -x -O control
  34 exit
  35 elif [ "$1" = "-x" ]; then
  36 exist
  37 if [ "$3" = "" ]; then
  38 usage
  39 elif [ ! -d "$3" ]; then
  40 echo "No such directory $3!"
  41 exit
  42 fi
  43 ar -p $deb data.tar.gz | gunzip | (cd $3 ; tar -x -v -f -) || exit
  44 echo
  45 echo "Extracted $deb to $3!"
  46 exit
  47 else
  48 usage
  49 fi