[Haskell-cafe] Trouble with readProcess

Charles-Pierre Astolfi cpa at crans.org
Thu Aug 11 17:29:52 CEST 2011

I've found my mistake: I was calling readProcess cmd ["-p -t"] instead
of readProcess cmd ["-p","-t"]

Not sure what are the semantics of quotation in this case, though. And
I'm pretty sure my analysis is wrong because of that :)

On Thu, Aug 11, 2011 at 16:05, Donn Cave <donn at avvanta.com> wrote:
> Quoth Charles-Pierre Astolfi <cpa at crans.org>,
>> readProcess cmd [opt1,opt2] seems to execute the following:
>> $ cmd "opt1" "opt2"
>> That is usually fine, but I'm using an external program that doesn't
>> understand the quotes, so I need to execute instead:
>> $ cmd opt1 opt2
>> How should I do that?
> I think your analysis is wrong.  I don't know what to suggest,
> though if you follow up you probably should mention what platform
> you're running on.  Maybe you could devise a simple test program
> that illustrates the problem?
>        Donn
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