MIDIkeys.sh

#!/bin/bash

aseqdump -p "USB MIDI Interface" | \
while IFS=" ," read src ev1 ev2 ch label1 data1 label2 data2 rest; do

    case "$ev1 $ev2 $data1 $data2" in
        "Control change 67 127" ) xdotool keydown ctrl+ ;;
	"Control change 67 0" )   xdotool keyup ctrl ;;
       	"Control change 66 127" ) xdotool keydown super+ ;;
	"Control change 66 0" )   xdotool keyup super ;;
       	"Control change 64 127" ) xdotool keydown alt+ ;; 
      	"Control change 64 0" )   xdotool keyup alt ;;
    esac
   
    case "$ev1 $ev2 $data1" in
        "Note on 49" ) xdotool key F1 ;;
        "Note on 51" ) xdotool key F2 ;;	
        "Note on 51" ) xdotool key F3 ;;
        "Note on 56" ) xdotool key F4 ;;
        "Note on 58" ) xdotool key F5 ;;
        "Note on 61" ) xdotool key F6 ;;
        "Note on 63" ) xdotool key F7 ;;
        "Note on 66" ) xdotool key F8 ;;
        "Note on 68" ) xdotool key F9 ;;
        "Note on 70" ) xdotool key F10 ;;
        "Note on 73" ) xdotool key F11 ;;
        "Note on 75" ) xdotool key F12 ;;
    esac    
done