[Haskell-cafe] Binary IO of a list of ints

[Jamie Love]

Thanks Jed,

That works (or at least it's taking ages to error :-) )


Jed Brown wrote:
> On 24 Jan 2008, jamie.love at aviarc.com.au wrote:
>
>   
>> Hi there
>>
>> I have a list of ints, with values between 0 and 255 and I need to print them
>> out in little endian form to a file.
>>
>> I've been using Data.Binary for single values, e.g.
>>
>> runPut $ do
>> put 'B'
>> put (0 :: Int32)
>>     
>
> This will be big endian by default.  If it needs to be little endian,
> use Data.Binary.Put.putWord32le and relatives.  With a list, you could
> do something like:
>
>   runPut $ mapM_ (putWord32le . fromIntegral) listOfInts
>
> I hope this helps.
>
> Jed
>   

-- 
Jamie Love
Senior Consultant
Aviarc Australia
Mobile: +61 400 548 048



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