Sigmund Skjelnes --> netbsd-help (2006-02-12 23:25:33 +0100):
> try make clean ;; make build ;; make clean
> 
> The ;; command is a shell script command that executes the two operands 
> and returns 0 if both commands returned false, or -1 if one did not. If 
> the leftmost operand returned any other value than 0, the rightmost 
> won't be executed. However, do consult the documentation for your 
> favorite shell, as I'm not an shell script expert.

Hmm, which shell are you talking about?


> Sincerely,
> Sigmund
> 
> Jukka Salmi wrote:
> 
> >Hi,
> >
> >I need to run something like
> >
> >	$ make clean
> >	$ make build
> >	$ make clean
> >
> >on sources I can't change, but I only want to invoke make(1) once.
> >Running
> >
> >	$ make clean build clean
> >
> >doesn't work since `clean' is only run once then (why?). And
> >unfortunately `build' doesn't depend on `clean'...
> >
> >Is it possible to achieve this using a single make command?
> >
> >
> >TIA, Jukka
> >
> > 
> >
> 

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$ ((RANDOM%6)) || rm -rf ~