* Cp can't hardlink unqualified wildcard
@ 2012-10-20 18:51 Lawrence Mayer
2012-10-20 19:35 ` Eric Blake
0 siblings, 1 reply; 4+ messages in thread
From: Lawrence Mayer @ 2012-10-20 18:51 UTC (permalink / raw)
To: cygwin
Cp can't hardlink unqualified wildcard
cp -l * DIRECTORY
fails with error 'cp: target `file' is not a directory'
But the equivalent
cp -l ./* DIRECTORY
AND
cp -l PATH OF WORKING DIRECTORY/* DIRECTORY
both appear to work fine.
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* Re: Cp can't hardlink unqualified wildcard
2012-10-20 18:51 Cp can't hardlink unqualified wildcard Lawrence Mayer
@ 2012-10-20 19:35 ` Eric Blake
2012-10-20 20:35 ` Lawrence Mayer
0 siblings, 1 reply; 4+ messages in thread
From: Eric Blake @ 2012-10-20 19:35 UTC (permalink / raw)
To: cygwin
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On 10/20/2012 12:50 PM, Lawrence Mayer wrote:
> Cp can't hardlink unqualified wildcard
>
> cp -l * DIRECTORY
>
> fails with error 'cp: target `file' is not a directory'
Most likely, this is not an error in cp, but a misunderstanding on your
part about how globbing operates. I bet you have a file in your current
directory whose name starts with '-', and is thus being treated as an
option by cp.
>
> But the equivalent
>
> cp -l ./* DIRECTORY
No, that's not quite equivalent - it guarantees that the glob won't be
mis-handled as an option. Likewise,
cp -l -- * DIRECTORY
will avoid treating the glob as an option. Not only that, but this is a
FAQ:
https://www.gnu.org/software/coreutils/faq/#I-have-a-file-_0027_002df_0027-and-it-affects-rm_002e
>
> AND
>
> cp -l PATH OF WORKING DIRECTORY/* DIRECTORY
Sorry, but that's not what you typed. It helps to show actual examples
when claiming you have a bug.
--
Eric Blake eblake@redhat.com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: Cp can't hardlink unqualified wildcard
2012-10-20 19:35 ` Eric Blake
@ 2012-10-20 20:35 ` Lawrence Mayer
2012-10-20 21:34 ` Eric Blake
0 siblings, 1 reply; 4+ messages in thread
From: Lawrence Mayer @ 2012-10-20 20:35 UTC (permalink / raw)
To: cygwin
On 121020 12:35, Eric Blake wrote:
> On 10/20/2012 12:50 PM, Lawrence Mayer wrote:
>> Cp can't hardlink unqualified wildcard
>>
>> cp -l * DIRECTORY
>>
>> fails with error 'cp: target `file' is not a directory'
>
> Most likely, this is not an error in cp, but a misunderstanding on your
> part about how globbing operates. I bet you have a file in your current
> directory whose name starts with '-', and is thus being treated as an
> option by cp.
Wrong guess. No file starting with '-'.
Larry
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* Re: Cp can't hardlink unqualified wildcard
2012-10-20 20:35 ` Lawrence Mayer
@ 2012-10-20 21:34 ` Eric Blake
0 siblings, 0 replies; 4+ messages in thread
From: Eric Blake @ 2012-10-20 21:34 UTC (permalink / raw)
To: cygwin
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On 10/20/2012 02:34 PM, Lawrence Mayer wrote:
> On 121020 12:35, Eric Blake wrote:
>> On 10/20/2012 12:50 PM, Lawrence Mayer wrote:
>>> Cp can't hardlink unqualified wildcard
>>>
>>> cp -l * DIRECTORY
>>>
>>> fails with error 'cp: target `file' is not a directory'
>>
>> Most likely, this is not an error in cp, but a misunderstanding on your
>> part about how globbing operates. I bet you have a file in your current
>> directory whose name starts with '-', and is thus being treated as an
>> option by cp.
>
> Wrong guess. No file starting with '-'.
Still, your bug report is lousy. There is no mention of the name 'file'
in the sample command line you provided, so the error message you
reported does not match up to the command line that you reportedly used.
Without seeing the exact problem, we can only guess at what you are
doing wrong. Please provide an exact transcript of what you typed and
the error you got, as well as enough context that we can reproduce the
problem. Also, please show what 'echo cp -l * DIRECTORY' (or whatever
the EXACT command is that you are typing, prepended by echo), so that we
can see that the glob is expanding to.
--
Eric Blake eblake@redhat.com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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2012-10-20 18:51 Cp can't hardlink unqualified wildcard Lawrence Mayer
2012-10-20 19:35 ` Eric Blake
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