docview.sh

#!/bin/bash

docview() {
	if [[ -f $1 ]] ; then
		case $1 in
		*.pdf) evince "$1" ;;
		*.ps)  evince "$1" ;;
		*.odt) oowriter "$1" ;;
		*.txt) leafpad "$1" ;;
		*.doc) oowriter "$1" ;;
		*)
			echo "don't know how to view '$1'..." >&2
			return 1
			;;
		esac
	else
		echo "no such file: '$1'" >&2
		return 1
	fi
}

main() {
	docview "$@"
}

main "$@"