x_sendkey

#!/bin/bash

send_key() { xdotool key --window $win_id "$@"; }

main() {
    active="$(xdotool getactivewindow)"
    [ -z "$win_id" ] && win_id=$active \
        || xdotool windowactivate "$win_id"

    send_key "$@"

    xdotool windowactivate $active
}

# Read arguments
_usage() { echo ""; }
_invopt() { echo "Incorrect options provided '$1'"; usage; exit 1; }

POSITIONAL=()
while [[ $# -gt 0 ]]; do case $1 in
    -w) win_id="$2"; shift ;;
    -kd)  ;;
    #
    -h|-?|--help) _usage ;;
    -*) _invopt ;;
    *) POSITIONAL+=("$1") ;;
esac; shift; done
set -- "${POSITIONAL[@]}"
main "$@"