uniunpack: universal unpacker for Linux

In case you are too lazy to remember the names and the flags of the appropriate utilities

Supports *.tar|*.tbz|*.txz|*.tgz|*.tar.bz2|*.tar.gz|*.tar.xz|*.tar.lz|*.rar|*.7z|*.bz2|*.gz|*.xz|*.zip|*.cpio

Author: birdie-github

uniunpack

@@ -0,0 +1,54 @@
+#! /bin/sh
+
+# Universal Unpacker by Artem S. Tashkinov
+# v1.4.0 Oct 18 15:35 2014: total rewrite; proper gzip support; no command output :(
+# v1.4.1 Oct 26 13:20 2014: file extension normalized
+# v1.4.2 Nov 4  04:29 2014: use RAR by default, use -r- for RAR, BASH->SH
+# v1.4.3 Mar 7  22:02 2015: use UNRAR by default
+# v1.4.4 Tue 05 Nov 2019 01:18:27: prefer p7zip for zip archives
+
+test -z "$1" && echo "Need an archive name to proceed" && exit 1
+test ! -e "$1" && echo "File '$1' doesn't exist" && exit 1
+
+lower=$(echo "$1" | tr A-Z a-z)
+
+case "$lower" in
+	*.tar|*.tbz|*.txz|*.tgz|*.tar.bz2|*.tar.gz|*.tar.xz|*.tar.lz)
+		tar xf "$1"
+		;;
+	*.rar)
+		unrar x -r- "$1"
+		;;
+	*.7z)
+		7z x "$1"
+		;;
+	*.bz2)
+		bzip2 -kd "$1"
+		;;
+	*.gz)
+		gunzip "$1"
+		;;
+	*.xz)
+		xz -dk "$1"
+		;;
+	*.zip)
+		if 7z &> /dev/null; then
+			7z x "$1"
+		else
+			unzip "$1"
+		fi
+		;;
+	*.cpio)
+		cpio -i -m -d -F "$1"
+		;;
+	*)
+		echo "The archive type for '$1' is unknown"
+		echo -n "Would you like to try unpacking the archive using 7z (y/n)? "
+		read answer
+		test "$answer" = "Y" -o "$answer" = "y" && 7z x "$1"
+		;;
+esac
+
+res=$?
+test "$res" -ne 0 && echo "WARNING: Unpacking failed!"
+exit "$res"