Finding the common textual denominator

To: debian-user@lists.debian.org
Subject: Finding the common textual denominator
From: Olle Eriksson <subscriptions@olle-eriksson.com>
Date: Sun, 6 Mar 2005 02:16:35 +0100
Message-id: <[🔎] 200503060216.36109.subscriptions@olle-eriksson.com>

Can anyone help me with how to find the common textual denominator of an 
array of strings. I have been searching the web and the man pages of 
grep, awk etc to no avail.

Given the following list of directory names I want to have a script return 
"Eric_Clapton".

Eric_Clapton-Big_Boss_Man-2CD-Retail-2002-DGN/
Eric_Clapton-Higher_Ground-(CDS)-2003-RNS/
Eric_Clapton_-_Me_and_Mr_Johnson-(PROPER)-CD-2004-TN/
Eric_Clapton-One_More_Car_One_More_Rider-2CD-2002-RNS/
Eric_Clapton - Pilgrim/

Regards
Olle

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  - From: Ron Johnson <ron.l.johnson@cox.net>
- Re: Finding the common textual denominator
  - From: Maximiliano Combina <maxicombina@gmail.com>

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