[Haskell-cafe] Turtle library : grepping on Text vs FilePath
ruben.astud at gmail.com
Wed Jun 7 07:22:33 UTC 2017
On 07/06/17 03:08, Joe Hillenbrand wrote:
> Is onFiles what you're looking for?
Almost. Grep operates over Shell Line. Line is just a newtype over Text.
I still don't know if this is telling me "don't do that".
> On Tue, Jun 6, 2017 at 10:16 PM, Ruben Astudillo <ruben.astud at gmail.com> wrote:
>> Dear list
>> On the Turtle library, the grep function got the following signature
>> grep :: Pattern a -> Shell Line -> Shell Line
>> For it to filter output of the `ls :: FilePath -> Shell FilePath` I got
>> to fmap and transform via de Turtle.Format or Turtle.Line modules. Is
>> this an indicator I shouldn't be doing this? Is the library telling me
>> to use `find`? or is just accidental?
>> -- Ruben
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