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From: vallor <vallor@cultnix.org>
Newsgroups: comp.os.linux.advocacy
Subject: Re: The Golly! of Python
Date: Wed, 17 Apr 2024 18:26:06 -0000 (UTC)
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On Tue, 16 Apr 2024 09:10:26 -0400, DFS <nospam@dfs.com> wrote in
<uvltc2$v4b9$1@dont-email.me>:

> On 4/14/2024 1:46 PM, Lameass Larry Piet wrote:
> 
>> Who would love python?  Only a fucking asshole.
> 
> Eric Raymond says:
> 
> "I noticed (allowing for pauses needed to look up new features in 
> Programming Python) I was generating working code nearly as fast as I 
> could type."
> 
> No wonder Gentoo depends so heavily on Python.
> 
> Here's a list of some of the files in a directory:
> 
> file_999
> file_1000
> file_998
> file_200
> file_2000

Why do you prefix them with "file_"?  Why not name the files
by article number, like other nntp software does?

> 
> 
> How about some of your 'extraordinary' C to read the directory and list 
> those files in ascending order (because they need to be processed 
> sequentially by nbr)?
> 
> 
> yeah, crickets, just like I knew
> 
> 
> -------------------------------------------------------------
> import os
> msgdir = "D:\\"
> filearr = []
> for pfile in os.listdir(msgdir):
> 	if '_' in pfile:
> 		filearr.append(int(str(pfile).split('_')[1]))
> for filenbr in sorted(filearr):
> 	print("file_" + str(filenbr))
> print()
> for filenbr in reversed(sorted(filearr)):
> 	print("file_" + str(filenbr))

You assume they are prefixed with "file_" instead
of, say, "foo_" -- but you print them as "file_xxx".
Tsk, tsk, tsk.

BTW, have you ever used awk?

(Also: see ls -v)

> -------------------------------------------------------------
> D:\>python temp.py
> file_200
> file_998
> file_999
> file_1000
> file_2000
> 
> file_2000
> file_1000
> file_999
> file_998
> file_200
> -------------------------------------------------------------
> 
> It can also be done in fewer lines with the glob and regex modules, and 
> using list comprehension.
> 
> By the way, I have a folder of 191K+ such files, and that code runs in:
> 
> D:\>python temp.py
> 0.13s to read 191490 files
> First file is 730478
> Last file is  943773
> 
> 
> 
> Feeb severely pwned by his own ineptitude
> C severely owned by python

$ man 3 scandir
and
$ man 3 strverscmp

-- 
-v