Re: Misc. musings on shell grammar (plus a bug?)

[Peter Stephenson <pws@xxxxxxx>]

Bart Schaefer wrote:
> Musing about the grammar documentation, actually, not about the grammar
> itself.

I'm hoping to get 4.1.1 and 4.0.7 out pretty soon, except I'm rather
busy, but I don't suppose this is urgent.

> Now for the "bug" -- this is 4.0.6, but 4.1.1-testX behaves the same:
> 
> schaefer[501] if false & then echo oops & fi
> [2] 20011
> [2]  + exit 1     false
> oops
> [2] 20012
> [2]  + done       echo oops
> 
> I suppose this makes sense -- this test would be false only if "false"
> could not be backgrounded, e.g., fork failure?

This is correct: from The Open Group Base Specifications Issue 6
IEEE Std 1003.1, 2003 Edition:

  Exit Status

  The exit status of an asynchronous list shall be zero.

-- 
Peter Stephenson <pws@xxxxxxx>                  Software Engineer
CSR Ltd., Science Park, Milton Road,
Cambridge, CB4 0WH, UK                          Tel: +44 (0)1223 692070


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