#!/usr/bin/expect set timeout 2 expect_after default {puts "\nFAIL"; exit 1} spawn /bin/sh send "if \[ \$(id -u) -eq 0 \]; then PS1='# '; else PS1='$ '; fi\r" expect "# " send "grpck\r" expect "no matching group file entry in /etc/gshadow" expect "add group 'foo' in /etc/gshadow? " send "no\r" expect "invalid shadow group file entry" expect "delete line 'foo:*:'? " send "no\r" expect "grpck: no changes" expect "# " send "echo \$?\r" expect "2" send "exit\r" puts "OK\n" exit 0