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bug#17494: "GREP_OPTIONS" allows a user to break shell script

From: Paul Eggert
Subject: bug#17494: "GREP_OPTIONS" allows a user to break shell script
Date: Thu, 11 Sep 2014 14:21:54 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.1.0
Attached is a proposed patch that starts to address this longstanding problem by deprecating GREP_OPTIONS and warning if it's used. We can remove the dangerous feature in a later release. Comments?

Attachment: 0001-grep-make-GREP_OPTIONS-obsolescent.patch
Description: Text Data

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