Well, it has bash in the title, so surprise surprise. If it were about detecting failed commands in Unix shells, all it would need to say is "$?", though. That

Well, it has bash in the title, so surprise surprise. If it were about detecting failed commands in Unix shells, all it would need to say is "$?", though. That's hardly worth a blog post. http://www.openbsd.org/cgi-bin/man.cgi?query=sh http://www.openbsd.org/cgi-bin/man.cgi?query=sh