Tar argument -

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# 1  
Old 09-08-2009
Tar argument -


One of the senior systems administrators gave me this piece of code to use:
ssh -c blowfish SOURCEHOST "cd /exportN ; tar cf - sourcedir" | tar xf -

He says that the - argument in the second tar statements means use the stdin....is this the case? I suspect we need the - otherwise the pipe will not work right?
# 2  
Old 09-08-2009
If the name of the tarfile is "-", tar writes to the standard output or reads from the standard input, whichever is appropriate.
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