Add 'ext' script

.local/bin/scripts/ext

@@ -0,0 +1,45 @@
+#!/bin/sh
+
+# A general, all-purpose extraction script. #
+
+# Author: Luke Smith
+
+# Default behavior: Extract archive into new directory
+# Behavior with `-c` option: Extract contents into current directory
+
+while getopts "hc" o; do case "${o}" in
+	c) extracthere="True" ;;
+	*) printf "Options:\\n   -c: Extract archive into current directory rather than a new one.\\n" && exit ;;
+esac done
+
+if [ -z "$extracthere" ]; then
+	archive="$(readlink -f "$*")" &&
+	directory="$(echo "$archive" | sed 's/\.[^\/.]*$//')" &&
+	mkdir -p "$directory" &&
+	cd "$directory" || exit
+else
+	archive="$(readlink -f "$(echo "$*" | cut -d' ' -f2)")"
+fi
+
+[ "$archive" = "" ] && printf "Give archive to extract as argument.\\n" && exit
+
+if [ -f "$archive" ] ; then
+	case "$archive" in
+		*.tar.bz2|*.tbz2) tar xvjf "$archive" ;;
+		*.tar.xz) tar -xf "$archive" ;;
+		*.tar.gz|*.tgz) tar xvzf "$archive" ;;
+		*.lzma) unlzma "$archive" ;;
+		*.bz2) bunzip2 "$archive" ;;
+		*.rar) unrar x -ad "$archive" ;;
+		*.gz) gunzip "$archive" ;;
+		*.tar) tar xvf "$archive" ;;
+		*.zip) unzip "$archive" ;;
+		*.Z) uncompress "$archive" ;;
+		*.7z) 7z x "$archive" ;;
+		*.xz) unxz "$archive" ;;
+		*.exe) cabextract "$archive" ;;
+		*) printf "extract: '%s' - unknown archive method\\n" "$archive" ;;
+	esac
+else
+	printf "File \"%s\" not found.\\n" "$archive"
+fi