On Wed, Feb 1, 2012 at 2:10 PM, Lamar Owen <lowen at pari.edu> wrote: > What I would do is use the '-' special filename to pipe the uncompressed > tar to stdout, pipe to the compressor of choice, then pipe to tee, and have > one branch of the tee go to the tape and the other branch go to a program > to count bytes. > The GZIP environment variable is working really well. It tells me the compression ratio and even send it to STDERR for me so I can easily separate that from the gtar output. -- “Don't eat anything you've ever seen advertised on TV” - Michael Pollan, author of "In Defense of Food"