notify.sh

#!/bin/bash -e

TITLE=`basename $0`

while getopts "hs:t:" opt; do
  case "${opt}" in
    s) SUBTITLE="${OPTARG}";;
    t) TITLE="${OPTARG}";;
    *) echo "Usage: $0 [-t TITLE] [-s SUBTITLE] BODY" && exit 1;;
  esac
done
shift $((OPTIND-1))

BODY="$@"

osascript -l JavaScript <<EOF
var app = Application.currentApplication();
app.includeStandardAdditions = true;
app.displayNotification(
  "${BODY}", {
    withTitle: "${TITLE}",
    subtitle: "${SUBTITLE}"}
);
EOF

proxy.sh

#!/bin/bash

TITLE=`basename $0`
MESSAGE="The connect closed unexpectedly."

ssh proxy
clear
echo $MESSAGE
notify.sh -t "$TITLE" "$MESSAGE"