On Wed, 2007-03-28 at 10:44 +1000, Cameron Simpson wrote: > On 27Mar2007 16:54, Tony Nelson <tonynelson@xxxxxxxxxxxxxxxxx> wrote: > | dd if=/dev/dvd bs=2048 count=$(isosize -d 2048 /dev/dvd) | sha1sum > > isosize is a binary! Ugh. The man page doesn't say: does it do anything > more than my (fixed) "ls|awk" incantation? > > Anecdote on bloat: I the good old days, /bin/true was an empty executable > file, (i.e. a zero length shell script, which trivially succeeded). To > my horrow, on the first real BSD system I used (SunOS 4) it was a shell > script consisting of a comment containing the BSD copyright notice. Some > years later on an AIX box I found than every thing had become worse; > it was a binary! > > So I'm wondering, is isosize a ludicrous piece of implementation overkill, or > is it doing something special? It does special things, like ignore the lead-in and lead-out sectors of the image or device. I wouldn't call it "bloat". It does useful stuff. ---------------------------------------------------------------------- - Rick Stevens, Principal Engineer rstevens@xxxxxxxxxxxx - - VitalStream, Inc. http://www.vitalstream.com - - - - When all else fails, try reading the instructions. - ----------------------------------------------------------------------
