24 lines (19 with data), 939 Bytes

#!/bin/bash
cd "$(dirname "$0")" # this chdir to this script folder, usually not writable if not admin

# Define the folder path
echo 
echo "***************************************************************************"
echo "Please wait while EEGLAB is starting..."
echo "See https://eeglab.org/others/Compiled_EEGLAB.html if you encounter issues"
echo "***************************************************************************"
echo

folder_path="/Applications/MATLAB/MATLAB_Runtime/R2022b/"
script_dir=$(dirname "$0")

# Check if the folder exists
if [ ! -d "$folder_path" ]; then
    # Folder does not exist, show a pop-up window using AppleScript
    osascript -e 'tell app "System Events" to display dialog "The folder '"$folder_path"' is not present. You need to install the MATLAB R2022b runtime engine." buttons {"OK"} default button 1'
else
    echo "The folder $folder_path exists."
fi

"$script_dir/run_EEGLAB.sh" $folder_path