configure's tar ustar test can fail on Solaris
dshaw at jabberwocky.com
Wed Jul 12 04:51:20 CEST 2006
On Tue, Jul 11, 2006 at 11:05:34AM -0700, Rich Wales wrote:
> David Shaw wrote:
> >> $_mytar -cf - conftest.txt | ( strings || cat ) | grep -q ustar
> > Does cat actually solve the problem here? If the problem is that Sun
> > grep doesn't grep within binary data, then cat won't un-binary the
> > tarball.
> How about "cat -v", maybe?
Good idea. I don't know how common cat -v is, but at least FreeBSD,
Linux, and Solaris have it.
The thing is, the 'ustar' string is always at the same byte offset in
the file. I'm wondering if "head -c 262 | tail -c 5" would do it, or
some sed or awk magic...
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