Documentation/lguest/extract

   1 #! /bin/sh
   2
   3 set -e
   4
   5 PREFIX=$1
   6 shift
   7
   8 trap 'rm -r $TMPDIR' 0
   9 TMPDIR=`mktemp -d`
  10
  11 exec 3>/dev/null
  12 for f; do
  13     while IFS="
  14 " read -r LINE; do
  15         case "$LINE" in
  16             *$PREFIX:[0-9]*:\**)
  17                 NUM=`echo "$LINE" | sed "s/.*$PREFIX:\([0-9]*\).*/\1/"`
  18                 if [ -f $TMPDIR/$NUM ]; then
  19                     echo "$TMPDIR/$NUM already exits prior to $f"
  20                     exit 1
  21                 fi
  22                 exec 3>>$TMPDIR/$NUM
  23                 echo $f | sed 's,\.\./,,g' > $TMPDIR/.$NUM
  24                 /bin/echo "$LINE" | sed -e "s/$PREFIX:[0-9]*//" -e "s/:\*/*/" >&3
  25                 ;;
  26             *$PREFIX:[0-9]*)
  27                 NUM=`echo "$LINE" | sed "s/.*$PREFIX:\([0-9]*\).*/\1/"`
  28                 if [ -f $TMPDIR/$NUM ]; then
  29                     echo "$TMPDIR/$NUM already exits prior to $f"
  30                     exit 1
  31                 fi
  32                 exec 3>>$TMPDIR/$NUM
  33                 echo $f | sed 's,\.\./,,g' > $TMPDIR/.$NUM
  34                 /bin/echo "$LINE" | sed "s/$PREFIX:[0-9]*//" >&3
  35                 ;;
  36             *:\**)
  37                 /bin/echo "$LINE" | sed -e "s/:\*/*/" -e "s,/\*\*/,," >&3
  38                 echo >&3
  39                 exec 3>/dev/null
  40                 ;;
  41             *)
  42                 /bin/echo "$LINE" >&3
  43                 ;;
  44         esac
  45     done < $f
  46     echo >&3
  47     exec 3>/dev/null
  48 done
  49
  50 LASTFILE=""
  51 for f in $TMPDIR/*; do
  52     if [ "$LASTFILE" != $(cat $TMPDIR/.$(basename $f) ) ]; then
  53         LASTFILE=$(cat $TMPDIR/.$(basename $f) )
  54         echo "[ $LASTFILE ]"
  55     fi
  56     cat $f
  57 done
  58