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From: | Paolo Bonzini |
Subject: | Re: [PATCH] grep: -r with no args now searches "." |
Date: | Tue, 03 Jan 2012 09:17:01 +0100 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:9.0) Gecko/20111222 Thunderbird/9.0 |
On 01/02/2012 01:22 PM, Paul Eggert wrote:
This is not an upward compatible change, since "grep -r PAT<file" will no longer search standard input, but that's OK; nobody should be using "grep -r" that way anyway.
... except people which use GREP_OPTIONS. We should first warn about this, and then change it after a year or so.In addition, it seems to me that while this behavior would be fine for -r/-R, keeping a default of stdin would be better for --directories=recurse, which is currently a synonym.
Please revert, and let more time pass in the future before installing backwards-incompatible changes.
Paolo
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