multivol piped to tar

[Will Edgington/Ejeo]

A more generic method (for those of you with tar's that don't understand the
'B' or 'b' blocking flags) is to use "dd obs=10240" (or possibly "dd bs=10240",
which will run faster) in place of the "cat" :

program-which-doesn't-block | dd obs=10240 | tar xf -

The "10240" will have to be adjusted to the block size the tar that created
the file used in some cases.  Also, having not used System V for several years
now, I can't remember whether "dd" comes with System V or not, though I would
be *very* surprised if it didn't ...  "dd" is basically a glorified "cat";
"obs" is output block size and "bs" is, you guessed it, "block size".

I've used this method to do tar's over ethernets via BSD's rsh; ethernets
don't like 10K blocked files much !! :-)
--
Will Edgington, Computing and Information Resources, University of Denver
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