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bug#8381: cp inconsistency
From: |
Pádraig Brady |
Subject: |
bug#8381: cp inconsistency |
Date: |
Wed, 30 Mar 2011 15:10:43 +0100 |
User-agent: |
Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.8) Gecko/20100227 Thunderbird/3.0.3 |
On 30/03/11 12:56, Thomas Hofmann wrote:
> Hello,
>
> two issues:
> 1) manpage of cp contains obsolete email-address for bug-reporting
That is fixed in current versions
> 2) cp inconsistency when copying a directory to a) a non existing
> directory, or b) to an existing directory. Further elaborated below.
>
> cp -a SOME_DIR NOT_YET_EXISTING_DIR
>
> results in a new directory directly containing each entry of SOME_DIR
>
> while:
> CP -a SOME_DIR EXISTING_DIR
>
> results in EXISTING_DIR/SOME_DIR
>
> The first result seems to be a reasonable outcome in both cases.
> Appending "/" to the directory-names should lead to the same result.
> While appending "/." to the target-directory would change the meaning,
> and rather lead to the result of the observed second version.
So you would like
cp -a dir dest_dir # copy dir/* to dest_dir/
cp -a dir dest_dir/ # copy dir to dest_dir/
That seems a bit subtle to me.
Currently one can get the first behavior using `cp -aT`
so I'll close this.
Note also the related:
http://debbugs.gnu.org/cgi/bugreport.cgi?bug=7450
cheers,
Pádraig.