Bourne shell short-circuit operators improperly documented

Christian Weisgerber naddy at mips.inka.de
Sun Jul 19 21:43:39 UTC 2009


Brett Glass <brett at lariat.net> wrote:

> As I understand it, when it comes to UNIX result codes, 0 doesn't 
> really mean "true" -- it means "no error." (In other words, it 
> means "false.") Whereas any nonzero value means there was an error 
> (and indicates what kind). In other words, it means that it's 
> "true" that there was an error.

You are very confused.

$ true; echo $?
0
$ false; echo $?
1

-- 
Christian "naddy" Weisgerber                          naddy at mips.inka.de



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