Added starter script

Author: jheinen

src/Mplay.sh

@@ -0,0 +1,52 @@
+#!/bin/bash
+
+function realpath {
+    local r=$1; local t=$(readlink $r)
+    while [ $t ]; do
+        r=$(cd $(dirname $r) && cd $(dirname $t) && pwd -P)/$(basename $t)
+        t=$(readlink $r)
+    done
+    echo $r
+}
+
+MPLAY_HOME=$(dirname $(realpath "$0"))
+
+function usage()
+{
+    echo "Mplay [-h|--help] [--device=midi-device] [--gui] midi-file"
+}
+
+device="scva"
+interface="tui"
+file=""
+
+while :; do
+    case $1 in
+        -h | -\? | --help)
+            usage
+            exit
+            ;;
+        --device=?*)
+            device=${1#*=}
+            ;;
+        --gui)
+            interface="Mplay"
+            ;;
+        -*)
+            usage
+            exit 1
+            ;;
+        *)
+            file="$@"
+            break
+            ;;
+    esac
+    shift
+done
+
+if [ "$file" == "" ]; then
+    usage
+    exit 1
+fi
+
+env MIDI_DEVICE=${device} julia ${MPLAY_HOME}/${interface}.jl "${file}"