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Date: Fri, 26 Sep 2014 10:26:32 +0100
From: Peter Stephenson <p.stephenson@samsung.com>
To: zsh-users@zsh.org
Subject: Re: list duplicate filenames which only vary by case
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On Fri, 26 Sep 2014 09:11:07 +0000 (UTC)
zzapper <david@rayninfo.co.uk> wrote:
> list files with duplicates in same directory
> e.g.
> house.jpg House.jpg hOUSE.jpg

Assign the contents of the directory to an array and lower-case and sort
it.

local -a array
array=(*)
array=(${(Lo)array})

Now all you need to do is search for consecutive duplicate elements in
the array (exercise for the reader).  If you find one, say element i,

array=((#i)${array[i]})

should collect the ones with the names that match it.

pws