Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!swrinde!elroy.jpl.nasa.gov!jpl-devvax!lwall
From: lwall@jpl-devvax.jpl.nasa.gov (Larry Wall)
Newsgroups: comp.lang.perl
Subject: Re: unpack query.
Message-ID: <1991Apr25.175420.25527@jpl-devvax.jpl.nasa.gov>
Date: 25 Apr 91 17:54:20 GMT
References: <1991Apr23.202307.2454@kfw.COM> <1991Apr24.002156.7082@jpl-devvax.jpl.nasa.gov> <1991Apr25.085953.29117@newcastle.ac.uk>
Reply-To: lwall@jpl-devvax.JPL.NASA.GOV (Larry Wall)
Organization: Jet Propulsion Laboratory, Pasadena, CA
Lines: 13

In article <1991Apr25.085953.29117@newcastle.ac.uk> des0mpw@colman.newcastle.ac.uk (M.P. Ward) writes:
: Why isn't "HH" the same as "H2" in unpack? An example:
: 
: print unpack("H2","A");		gives "41" as expected
: print unpack("HH","A");		gives "4" as unexpected!
: 
: This is with perl version 4.0, Patch level: 3, SunOs 4.1, Sun 3/80

H, h, B and b always align to a byte boundary when they're done.  It just
seemed a little silly to keep track of where in the current byte we were,
I guess.

Larry