iankelling.org Git - small-misc-bash/blob - ex

   1 #!/bin/bash
   2 # Copyright (C) 2014 Ian Kelling
   3
   4 # Licensed under the Apache License, Version 2.0 (the "License");
   5 # you may not use this file except in compliance with the License.
   6 # You may obtain a copy of the License at
   7
   8 #     http://www.apache.org/licenses/LICENSE-2.0
   9
  10 # Unless required by applicable law or agreed to in writing, software
  11 # distributed under the License is distributed on an "AS IS" BASIS,
  12 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13 # See the License for the specific language governing permissions and
  14 # limitations under the License.
  15
  16 ex() {
  17     local help="Usage: ex [--help] FILE...
  18 Extract many types of files based on their extensions
  19
  20 7z bz2 deb gz iso dsc rar rpm tar xz zip sfs & some combinations.
  21 See source for exact file extensions.
  22 Note: apt-get install dtrx will do the same for
  23 most of these types, plus some more, I'm going
  24 to try it out sometime."
  25     if [[ $1 == --help ]]; then
  26         echo "$help"
  27     fi
  28     local x super
  29     for x in "$@"; do
  30         case "$x" in
  31             *.tar.bz2 | *.tbz2 ) tar xjf "$x" ;;
  32             *.tar.gz | *.tgz ) tar xzf "$x" ;;
  33             *.bz2 ) bunzip2 "$x" ;;
  34             *.gz ) gunzip  "$x" ;;
  35             *.tar ) tar xf "$x" ;;
  36             *.zip ) unzip "$x" ;;
  37             *.Z ) uncompress "$x" ;;
  38             *.7z ) 7za x "$x" ;;
  39             *.deb ) ar x "$x" ;;
  40             *.rpm ) rpm2cpio "$x" | cpio --extract --make-directories ;;
  41             *.tar.xz ) tar Jxf "$x" ;;
  42             *.xz) xz -d "$x" ;;
  43             *.iso )
  44                 local super
  45                 if [[ $EUID != 0 ]]; then
  46                     super=sudo
  47                 fi
  48                 local temp_dir=$(mktemp -d)
  49                 $super losetup -f
  50                 $super mount -o loop "$x" "$temp_dir"
  51                 local dir="${x%%.iso}"
  52                 mkdir "$dir"
  53                 cp -a "$temp_dir"/* "$dir"
  54                 $super umount "$temp_dir"
  55                 ;;
  56             *.r[0-9][0-9]|*.rar ) unrar x "$x" ;;
  57             *.dsc) dpkg-source -x "$x" ;;
  58             *.sfs) $user unsquashfs "$x" ;;
  59             *)  echo "I don't kno how to extract $x";;
  60         esac
  61     done
  62 }
  63 ex "$@"