#!/bin/bash
# A general, all-purpose extraction script.
#
# Default behavior: Extract archive into new directory
# Behavior with `-c` option: Extract contents into current directory

while getopts "hc" o; do case "${o}" in
	h) echo -e "Options:\n   -c: Extract archive into current directory rather than a new one." && exit ;;
	c) dirpref="" && archive=${@:2} ;;
esac done

[ -z ${dirpref+x} ] && dirpref="../" &&  archive="$@"

if [ -f "$archive" ] ; then
	[[ "$dirpref" == "../" ]] && NAME=${archive%.*} && mkdir "$NAME" && cd "$NAME"
	case "$archive" in
		*.tar.bz2) tar xvjf "$dirpref""$archive" ;;
		*.tar.gz) tar xvzf "$dirpref""$archive" ;;
		*.tar.xz) tar xvJf "$dirpref""$archive" ;;
		*.lzma) unlzma "$dirpref""$archive" ;;
		*.bz2) bunzip2 "$dirpref""$archive" ;;
		*.rar) unrar x -ad "$dirpref""$archive" ;;
		*.gz) gunzip "$dirpref""$archive" ;;
		*.tar) tar xvf "$dirpref""$archive" ;;
		*.tbz2) tar xvjf "$dirpref""$archive" ;;
		*.tgz) tar xvzf "$dirpref""$archive" ;;
		*.zip) unzip "$dirpref""$archive" ;;
		*.Z) uncompress "$dirpref""$archive" ;;
		*.7z) 7z x "$dirpref""$archive" ;;
		*.xz) unxz "$dirpref""$archive" ;;
		*.exe) cabextract "$dirpref""$archive" ;;
		*) echo "extract: '$archive' - unknown archive method" ;;
	esac
else
	echo "File \"$archive\" not found."
fi