Re: input/output redirection with tar

[Eric Blake]

On 10/20/2011 12:10 PM, e-letter wrote:
> > Or if you insist on using redirection, then use '-' as the --files-from
> > argument to tell tar to read from stdin:
> >
> > tar --extract --file=/path/to/tarball --files-from=-
> > </path/to/list/of/files.txt
>
> Please, from where did you get the information about the use of the
> dash (-) character in this context?

Common convention among many unix tools is to treat '-' as a synonym for 
stdin.  I don't know if 'info tar' explicitly calls this out, though 
that would be a question for bug-tar.

--
Eric Blake   address@hidden    +1-801-349-2682
Libvirt virtualization library http://libvirt.org