Programmatically switch to another user

autologin.sh

#!/bin/bash

# A script to automatically switch to another user in macOS
# Invoke like this: `autologin.sh {user} {password}`

uid=`id -u $1`

/System/Library/CoreServices/Menu\ Extras/User.menu/Contents/Resources/CGSession -switchToUserID "$uid"

osascript <<EOD
-- wait for the system UI to come up
delay 2
tell application "System Events"
	-- type the password
	keystroke "$2"
	
	delay 1
	
	-- press enter
	key code 36
end tell
EOD