Date: Tue, 04 Nov 2003 15:30:34 -0800 From: Erik Steffl <steffl@bigfoot.com> To: freebsd-questions@freebsd.org Subject: Re: detecting the size of a tarball Message-ID: <3FA8369A.3020505@bigfoot.com> In-Reply-To: <20031104161008.E32148@asu.edu> References: <20031104161008.E32148@asu.edu>
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David Bear wrote: > I have a 100 mg zip drive that I'm writing to as a raw device -- no > file system -- just 'tar cvf /dev/afd0 stuff'. I am curious if there > is a way to find out how big the tarball is on this kind of thing. > I'm guessing maybe some kind of seek to EOF but not sure how it might > be accomplished. any idea's? this might work (probably reads whole file): cat < /dev/afd0 | wc -c or perhaps this one: du /dev/afd0 you can try this: perl -e '$filename = "/dev/afd0"; print "siz eof [$filename] is [" . (stat($filename))[7] . "]\n";' not sure if that would be any different than ls -l though... erik
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