TAR help .....

[Bill Campbell]

On Fri, Jan 23, 2009, james at jamesmcdonald.id.au wrote:
>> Ok, I have a tar file. When you tzr tvzf , you have a list that shows
>> something
>> like :
>> ....
>> ......
>> export/usr1/thisdir/afile
>> export/usr1/thisdir/MYFILE
>> .....
>> ......
>> ....... (and so one ..)
>>
>> and you want to extract ONLY MYFILE and you want it extracted
>> in the directory you are in and NOT the WHOLE tree
>> How do you do that ?
>>
>
>Basic syntax is:
>tar -xzf foo.tar.gz blah.txt
>              extract the file blah.txt from foo.tar.gz
>
>but...
>if you have.
>
>usr1/MYFILE
>usr1/thisdir/MYFILE
>
>it will probably extract both MYFILE's

I think it only extracts the pathname as it is found in the tar
file, not all files that match the basename.

>but I think you can specify it using a relative path
>tar -xzf foo.tar.gz thisdir/MYFILE

gnu-tar also has ``-C directory'' or ``--directory=directory''
that, like the same option to gnu-make, changes to the specified
directory before starting the extraction.  This can be very handy
in scripts to avoid having to keep track of the current directory.

Bill
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