GNU bug report logs - #51792
coreutils - csplit - feature request

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Rodolfo Aramayo <raramayo <at> tamu.edu>
To: bug-coreutils <at> gnu.org
Subject: coreutils - csplit - feature request
Date: Fri, 12 Nov 2021 11:05:09 -0600

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Dear Coreutils Maintainers,

First, thank you for your work. I use coreutils daily both for my research
and teaching. It is a great set of tools.

Second, I recently needed to extract Coding Sequences information from a
GenBank file. GenBank files are used in Computational
Genomics/Bioinformatics extensively. I used csplit, and it works like a
charm.

The command I used is:

csplit -sz -n 5 --prefix=02_ 01_00001
/[[:space:]][[:space:]][[:space:]][[:space:]][[:space:]]CDS[[:space:]][[:space:]][[:space:]][[:space:]][[:space:]][[:space:]][[:space:]][[:space:]][[:space:]][[:space:]][[:space:]][[:space:]][[:space:]]/
{*};

I was unable to declare: "[[:space:]]\+" as I expected for POSIX aware code.

My question is: Is csplit POSIX compatible? and if it is not, can we make
it POSIX compatible?

Many Thanks

Rodolfo

--
Dr. Rodolfo Aramayo, PhD
Faculty of Biology and Genetics
Department of Biology, Texas A&M University

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