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Re: wildcard feature?

From: Philip Rowlands
Subject: Re: wildcard feature?
Date: Mon, 11 Sep 2006 13:41:03 +0100 (BST)

On Mon, 11 Sep 2006, Werner Adler wrote:

if I have two files with the same ending (could be any part of the name), say 1.test and 2.test, and I want to copy both files to a directory, but accidently type "return" before entering the directory name:

cp *.test

the second file is overwritten by the first file (I expected to get an error message and was pretty surprised about that behaviour). (Funny) Feature or bug?

Feature. cp doesn't actually see that you used a wildcard, as the shell has already expanded it. Try "echo cp *.test" to see what arguments cp gets passed.

cp does have an --interactive (-i) flag available which will cause it to prompt the user before overwriting any files. Some distributions choose to make a shell alias for rm, mv, and cp to include this flag for the root user, to prevent catastrophic damage from a typo.


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