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Id:
127079
Status:
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Requestors:
Nilton.Castillo [...] ibm.com
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Subject: newline confuses sorting
Date: Mon, 10 Sep 2018 10:10:42 +0200
To: bug-Sort-Naturally@rt.cpan.org
From: "Nilton Castillo" <Nilton.Castillo@ibm.com>

Hello List,

Sorry if this has been discussed before, I could not find any resolved/rejected bugs.

according to the documentation " \W substrings (neither words-characters nor digits) are ignored. "
But there is a difference in sorting order when the list contains newlines, here is a minimal example:


# Using the diamond operator to sort a list (for example, a file with multiple lines)
[ncastill@psort]$ echo -e "A.1\nA.1.1\nA.2\nA.10" | perl -MSort::Naturally -E 'print nsort <>'
A.1.1
A.1
A.2
A.10

# removing the newlines \n before sorting, then putting them back in the output does sort it according to the documentation
[ncastill@psort]$ echo -e "A.1\nA.1.1\nA.2\nA.10" | perl -MSort::Naturally -E 'chomp(@_=<>); say join "\n", nsort @_'
A.1
A.1.1
A.2
A.10

# newline \n does match \W
$ perl -E 'say "\n"=~/^\W+$/'
1

# also checked against latest version, and it is the same file as on my system:
https://fastapi.metacpan.org/source/BINGOS/Sort-Naturally-1.03/lib/Sort/Naturally.pm


# Not sure what my complaint is, as there is a workaround. Maybe a note in the documentation to chomp before nsort-ing. Hopefuly a fix.


# My environment:

This is perl 5, version 16, subversion 3 (v5.16.3) built for x86_64-linux-thread-multi

[ncastill@psort]$ head -4 /usr/share/perl5/vendor_perl/Sort/Naturally.pm

require 5;
package Sort::Naturally; # Time-stamp: "2004-12-29 18:30:03 AST"
$VERSION = '1.03';

[ncastill@psort]$ uname -a
Linux oc1832383537.ibm.com 3.10.0-862.11.6.el7.x86_64 #1 SMP Fri Aug 10 16:55:11 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux



Cordiali saluti, salutări, S pozdravom, Met vriendelijke groeten, Cordialement, With kind regards,

Nilton Castillo

IT Specialist Unix
GTS - UWV Unix Team

Office: HDK4-D IBM Nederland B.V.
Mobile: +31(0)6-24667440 Johan Huizingalaan 765
E-mail: nilton.castillo@ibm.com Amsterdam, 1066 VH
altNetherlands

Tenzij hierboven anders aangegeven: / Unless stated otherwise above:
IBM Nederland B.V.
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Inschrijving Handelsregister Amsterdam Nr. 33054214

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