#!/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 "pwck\r" expect "duplicate password entry" expect "delete line 'foo:x:1000:1000::/home:/bin/sh'? " send "no\r" expect "duplicate password entry" expect "delete line 'foo:x:1000:1000::/home:/bin/bash'? " send "yes\r" expect "pwck: the files have been updated" expect "# " send "echo \$?\r" expect "2" send "exit\r" puts "OK\n" exit 0