[issue13477] tarfile module should have a command line

[Serhiy Storchaka]

Serhiy Storchaka added the comment:

Note that --create command should support --directory option too.

> Modern tar programs don't need to be told the compression method--they infer it.  If they can do it in C, we can do it in Python.  So we should simply omit the "-bz2" stuff.

An archive may have no extension or have a nonstandard extension. And stdin/stdout does not have a name.

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<http://bugs.python.org/issue13477>
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