for -- else: what was the motivation?

Antoon Pardon antoon.pardon at vub.be
Tue Oct 11 10:30:05 EDT 2022



Op 10/10/2022 om 04:38 schreef avi.e.gross at gmail.com:
> [This is an answer for Peter and can easily be skipped by those who know or
> have no wish to.]
>
> Strictly speaking Peter, the word "pipe" may not mean quite something in
> Python but other concepts like chaining may be better.
>
> The original use of the word I am used to was at the UNIX shell level where
> an in-core data structure called a pipe was used to connect the output of
> one process to the inputr of another, sometimes in long chains like:
>
>   cat file1 file2 file3 | grep pattern | ... | lp

Something like that can be done in python with the same kind of syntax:

https://code.activestate.com/recipes/580625-collection-pipeline-in-python/

I have my own python3 module with stuff like that and I find it very usefull.

-- 
Antoon Pardon


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