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#!/bin/sh

# Inspired by https://github.com/salman-abedin/launch.sh
# Launches files based on their mimetypes
# Use option -s devour to swallow or -s " " to open normally from terminal
# Use -t to specify mimetype
# Requires: dmenu_path or similar (fallback)
#           environment variables for default programs need to be set
#           (I might remove this requirement at some point)

menu=${MENU:-dmenu}

while getopts "s:t:" opt; do
	case "$opt" in
		s)
			launcher="$OPTARG"
			;;
		t)
			mimetype="$OPTARG"
			;;
	esac
done

shift `expr $OPTIND - 1`

[ -z "$launcher" ] && launcher="spawn"
[ -z "$mimetype" ] && mimetype="$(file --mime-type "$1" -bL)"

[ -d "$1" ] && $launcher $XFILEMANAGER "$1" && exit 0
[ ! -f "$1" ] && echo "$1: bad argument" && exit 1

case "$mimetype" in
	video/*)
		$launcher $VIDEOPLAYER "$1"
		;;
	audio/*)
		$launcher $MUSICPLAYER "$1"
		;;
	application/pdf | application/postscript | image/vnd.djvu)
		$launcher $VIEWER "$1"
		;;
	image/*)
		$launcher $IMAGEVIEWER "$1"
		;;
	application/msword | \
	application/vnd.oasis.opendocument.text | text/rtf | \
	application/vnd.openxmlformats-officedocument.wordprocessingml.*)
		$launcher $TEXTDOCUMENT "$1"
		;;
	application/ms-excel | application/vnd.oasis.opendocument.spreadsheet | \
	text/rtf | application/vnd.openxmlformats-officedocument.spreadsheetml.*)
		$launcher $SPREADSHEET "$1"
		;;
	text/html | text/enriched)
		$launcher $HTMLVIEWER "$1"
		;;
	text/*)
		$launcher $XEDITOR "$1"
		;;
	application/zip)
		unzip "$1"
		;;
	application/x-rar-compressed)
		unrar "$1"
		;;
	application/x-archive | application/x-tar | \
	application/x-bzip2 | application/gzip | application/x-lzip | \
	application/x-lzma | application/x-xz | application/x-gtar)
		tar -tavf "$1"
		;;
	application/java-archive)
		java -jar "$1"
		;;
	*)
		prog=$(dmenu_path | $menu -p "How to open $1 ?")
		if [ -n "$prog" ]; then
			$launcher $prog "$1"
			else
			exit 1
		fi
		;;
esac

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