Get Current User and if they are admin

currentuserisadmin.sh

#!/bin/bash

# Grabs the current logged in user and detects if they are admin

# Per MacMule's better dection of the logged in user:
loggedInUser=`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");'`

# Per munkireport-php's localadmin module
admin_users=''
for user in $(dscl . -list /Users | grep -v "^_\|^root$") ; do
	ismember=$(dsmemberutil checkmembership -U $user -G admin)
	case $ismember in
		*'user is a member of the group'*) admin_users+=( $user );;
	esac
done

echo "All admin users:${admin_users[@]}"
echo "Current User: $loggedInUser"
for admins in ${admin_users[@]} ; do
	if [ "$admins" == "$loggedInUser" ]; then
		echo "$admins is an admin and is logged in";
	fi
done