dvtm-cmd

#!/bin/sh

DO_RET=n

usage() {
    echo "usage: dvtm-cmd [OPTIONS]  CMD ARGS"
    echo "OPTIONS:"
    echo "   -c PATH         PATH to CMD FIFO (default is \$DVTM_CMD_FIFO)"
    echo "   -r PATH         PATH to RET FIFO (default is \$DVTM_RET_FIFO)"
    echo "   -y PATH         PATH to CPY FIFO (default is \$DVTM_CPY_FIFO)"
    echo "   -i PATH,-       PATH to input file or \"-\" for stdin"
}

while [ $# -gt 0 ]; do
    case $1 in
        "-c")
            FIFO_CMD=$2
            shift 1
            ;;
        "-r")
            FIFO_RET=$2
            shift 1
            ;;
        "-y")
            FIFO_CPY=$2
            shift 1
            ;;
        "-i")
            INPUT=$2
            shift 1
            ;;
        *)
         break
         ;;
    esac
    shift 1
done

[ -z "${FIFO_CMD}" ] && FIFO_CMD=${DVTM_CMD_FIFO}
[ -z "${FIFO_RET}" ] && FIFO_RET=${DVTM_RET_FIFO}
[ -z "${FIFO_CPY}" ] && FIFO_CPY=${DVTM_CPY_FIFO}

if [ ! -e "${FIFO_CMD}" ]; then
    echo "error: cmd fifo does not exist"
    usage
    exit 1
fi

cmd_args="$@"

case $1 in
    "settitle")
        echo -ne "\033]0;$2\007"
        exit 0
        ;;

    "copybuf")
        [ "${2}" == "put" ] && cat $INPUT > ${FIFO_CPY}
        [ "${2}" == "get" ] && DO_RET=y
        ;;
    "sendtext")
        [ -n "${INPUT}" ] && {
            cmd_args="${cmd_args} -"
            cat $INPUT > ${FIFO_CPY}
	}
        ;;
    "capture")
        DO_RET=y
	;;
esac

echo "$cmd_args" > $FIFO_CMD

if [ "${DO_RET}" == "y" ]; then
    if [ ! -e "${FIFO_RET}" ]; then
        echo "error: ret fifo does not exist"
        usage
        exit 1
    fi

    read count < $FIFO_RET
    [ -z "$count" ] && exit 0

    [ $count -gt 0 ] && head -n $count $FIFO_RET
fi