scripts/_tar_xz_files3.sh

   1 #tar xz targzs to destination
   2
   3 untargz()
   4 {
   5 while read targz_file; do
   6     tar xzf "$targz_file" -C "$DIR_DST" 2> /dev/null
   7     retval=$?
   8     #2 return code (value) (error) eg.: overwriting an existing directory with symbolic link
   9     if [ "$retval" = 2 ]; then
  10         tar tzf "$targz_file" | grep -v "/$" | \
  11         while read file; do
  12             #[ -d "$DIR_DST"/"$file" -a ! -L "$DIR_DST"/"$file" ] && echo "$file"
  13             [ -d "$DIR_DST"/"$file" -a ! -L "$DIR_DST"/"$file" ] && rm -rf "$DIR_DST"/"$file"
  14         done
  15         tar xzf "$targz_file" -C "$DIR_DST" 2> /dev/null
  16     fi
  17 done < /dev/stdin
  18 }
  19
  20 if [ "$#" = 3 ]; then
  21     TGZ="$1"
  22     [ ! -f "$TGZ" ] && echo "No such targz file" && exit 1
  23     shift
  24 fi
  25
  26 DIR_SRC="$1"
  27 DIR_DST="$2"
  28
  29 [ ! -d "$DIR_SRC" ] && echo "No such source directory" && exit 1
  30 [ ! -d "$DIR_DST" ] && echo "No such destination directory" && exit 1
  31
  32 DIR_DST=`cd "$DIR_DST" && pwd -P`
  33 [ "$?" != 0 ] && echo "Cannot change to destination directory" && exit 1
  34
  35 cd "$DIR_SRC"
  36 [ "$?" != 0 ] && echo "Cannot change to source directory" && exit 1
  37
  38 if [ -n "$TGZ" ]; then
  39     echo "$TGZ" | untargz
  40 else
  41     ls *.tar.gz 2> /dev/null | untargz
  42 fi