cmde

#!/bin/bash -e

case `uname` in
	Linux|CYGWIN*) ECHO="echo -e" ;;
	*) ECHO="echo" ;;
esac

EDITOR=nano
usage() {
  $ECHO "cmde COMMAND [cmde options] [--] [COMMAND options] FILE1 FILE2"
  $ECHO
  $ECHO "Options:"
  $ECHO "-e [editor]  \ttext editor (default: $EDITOR)"
  $ECHO "-f           \toverwrite FILE2 (if it already exists)"
  $ECHO "-h           \tdisplay this message and exit"
  $ECHO "--           \toptional separator (in case COMMAND uses same flags as cmde)"
  exit $1
}

FORCE=""
COMMAND=""
while [ $# -gt 0 ]; do
	case $1 in
		-e)
			EDITOR="$2"
			shift; shift
		;;
		-f)
			FORCE=1
			shift
		;;
		-h)
			usage 0
			shift
		;;
		--)
			shift
			break
		;;
		*)
			if [ -z "$COMMAND" ]; then
				COMMAND="$1"
				shift
			else
				break
			fi
		;;
	esac
done

if [ -z "$COMMAND" ]; then
	usage 1
fi

CMDARGS="$@"
FILE2="${@: -1}"

if [ -n "$FORCE" ] || [ ! -f "$FILE2" ]; then
	$COMMAND $CMDARGS
fi

$EDITOR "$FILE2"