bash functions using osascript to use some user interaction on macOS

bashdisplay.sh

#!/bin/bash

export PATH=/usr/bin:/bin:/usr/sbin:/sbin

consoleUser() {
	python -c 'from SystemConfiguration import SCDynamicStoreCopyConsoleUser; import sys; username = (SCDynamicStoreCopyConsoleUser(None, None, None) or [None])[0]; username = [username,""][username in [u"loginwindow", None, u""]]; sys.stdout.write(username + "\n");'
}

displaydialog() { # $1: message
	message=${1:-"Message"}
	user=$(consoleUser)
    if [[ $user != "" ]]; then
        uid=$(id -u "$user")
		launchctl asuser $uid /usr/bin/osascript <<-EndOfScript
			button returned of ¬
			    (display dialog "$message" ¬
				buttons {"OK"} ¬
				default button "OK")
		EndOfScript
	fi
}

displaynotification() { # $1: message $2: title
	message=${1:-"Message"}
	title=${2:-"Script Notification"}
	user=$(consoleUser)
    if [[ $user != "" ]]; then
        uid=$(id -u "$user")
		launchctl asuser $uid /usr/bin/osascript <<-EndOfScript
			display notification "$message" with title "$title"
		EndOfScript
	fi
}


displayfortext() { # $1: message $2: default text
	message=${1:-"Message"}
	defaultvalue=${2:-"default value"}
	user=$(consoleUser)
    if [[ $user != "" ]]; then
        uid=$(id -u "$user")
	
	    launchctl asuser $uid /usr/bin/osascript <<-EndOfScript
			text returned of ¬
				(display dialog "$message" ¬
					default answer "$defaultvalue" ¬
					buttons {"OK"} ¬
					default button "OK")
			EndOfScript
	else
	    exit 1
	fi
}

# run all functions

displaydialog "Hello"
name=$(displayfortext "Enter your name:" "$(consoleUser)")
displaynotification "Hello, $name"