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Feature request: parameter expansion, replace last occurrence

From: Alan Beccati
Subject: Feature request: parameter expansion, replace last occurrence
Date: Mon, 30 Jul 2018 16:59:58 +0200
User-agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.8.0

While programming a script I found it useful to have parameter expansion replace the last occurrence of a given substring instead of the first but fund no way to do it. I hope this is the correct place for feature requests since I found no searchable location for them to check if it was already there.

The idea would be to have a third option to the already existing two:

|${PARAMETER/PATTERN} # replaces first occurrence|

|${PARAMETER//PATTERN} # replaces all occurrences|

I was thinking about |${PARAMETER/%PATTERN} but that is already taken by anchored replacement.

With best regards,

Dr. Alan Beccati
Jacobs University Bremen gGmbH
Department of Life Sciences and Chemistry
Guest scientist at Max Planck Institute for Marine Microbiology
Microbial Genomics and Bioinformatics Research Group
Celsiusstrasse 1
28359 Bremen
Phone: +49 (0) 421 2028 909

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