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bug#13693: M-x grep should do some basic parameter checking
From: |
jidanni |
Subject: |
bug#13693: M-x grep should do some basic parameter checking |
Date: |
Wed, 13 Feb 2013 05:02:19 +0800 |
>>>>> "JL" == Juri Linkov <juri@jurta.org> writes:
>> Why doesn't M-x grep check that it has been given at least
>> two parameters
JL> Why two? For example, for "git-grep pattern" just one is enough.
$ emacs
(grep "grep -nH -e love")
Will always fail. And the user will think "well, I can't find the love
letter she sent me, and thus can't find her address, so I will just give
up," when all along he just forgot to give the filename.
Whereas normally
$ grep love
would hang, waiting for input, so he would know that the relationship
still had a chance, and it was just emacs that was the reason the two
would have lost touch...