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From: | Paul Eggert |
Subject: | bug#17494: grep bug report: "GREP_OPTIONS" allows a user to break shell script |
Date: | Wed, 14 May 2014 22:08:05 -0700 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0 |
Nadav Har'El wrote:
So I think it would be best if you drop the GREP_OPTIONS feature completely.
I tend to agree. Hindsight is wonderful of course, but GREP_OPTIONS should never have been added, as it's a real minefield. But how would we minimize breakage of existing usage that relies on GREP_OPTIONS? If we removed it, we'd probably need a transition period, and have documentation of how to get the old behavior if you want it, etc.
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