#!/usr/bin/env expect spawn tools/confidence_test.sh set times 0; while { $times < 300 } { expect { "my password is the lowercase letter a" { set pw "a\n" ; exp_continue } "my password is the lowercase letter b" { set pw "b\n" ; exp_continue } "Passphrase:" { send $pw ; exp_continue } eof { break } } set times [ expr $times+1]; }