Re: bash syntax

[Stephen Zander <srz@mckesson.com>]

"Eloy A. Paris" wrote:
> Witold Grabysz <vtold@polsl.gliwice.pl> wrote:
> 
> : the following phrase doesn't work in bash:
> : ((ls);(ls))
> : Why? Is it not allowed by the shell syntax or there is a bug in it?
> 
> Yup, you're right; it's probably a bug. This does work:
> 
> ( (ls);(ls))
> 
> Try changing the definition of the helper in Netscape to follow the
> above syntax.

No, there's no bug in bash. ((<expr>)) indicates that arithmetic operations
should be performed a la let x=i+1.  Try this

	let i=5; while ((i>0)); echo $i; let i-=1; done

The fix is right how ever; you need to disambiguate the expression.


Stephen
---
"Normality is a statistical illusion." -- me



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