My guess is that your lines are small enough that they always end up in a
single chunk, and therefore you're essentially folding over a list of
length 1.
I'm confused about your question though: isn't `number` the current line?
On Mon, Sep 7, 2015 at 1:04 PM, Kees Bleijenberg wrote: My goal is to parse a big text-file line by line using the same parser
for every line. I am new to Conduit and I’ve read this
https://www.fpcomplete.com/user/chad/snippets/random-code-snippets/folding-l...
article. After adding import Control.Monad.Trans.Resource for runResourceT and
adding rankNTypes, I got it working. Code in www.tbsoftware.nl/TestConduit/TestConduit7.hs I don't understand what is going on in myFunc. Does CL.fold fold over the
already read lines? I wonder whether CL.fold loads the whole file in memory? if I change count <- CL.fold (\count t -> count + T.length t) 0 to count <- CL.fold (\count t -> T.length t) 0 nothing changes in the output. If count is always zero, why using a fold? How can I get the ‘current line’ in myFunc? Kees _______________________________________________
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