1a 1b 2a 2b x-1 x-1 x-2 foo-1 foo-23 foo-24 foo bar foobar foobar foo\ bar a b c Test 2 pass Test pass Test 3 pass Test 4 pass Test 5 pass Test redirections errput output errput output is_stdout abc\ndef abc def abc\zdef abc!def abc!def abcQdef abcQ2def abc Catch your breath abc!def abc!1def 1