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From: jbw@bigbird.bu.edu (Joe Wells)
Newsgroups: comp.lang.perl
Subject: underscores in numeric constants (was: how to truncate lines)
Message-ID: <JBW.91Feb22125957@bigbird.bu.edu>
Date: 22 Feb 91 17:59:57 GMT
References: <1991Feb18.205238.14418@dartvax.dartmouth.edu>
	<1991Feb19.014649.133@mudos.ann-arbor.mi.us>
	<11500@jpl-devvax.JPL.NASA.GOV>
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In-reply-to: lwall@jpl-devvax.JPL.NASA.GOV's message of 19 Feb 91 22:19:47 GMT

lwall@jpl-devvax.JPL.NASA.GOV (Larry Wall) writes:

   perl -e 'print "*" x 1_000_000, "\n"' | perl -pe 'chop; $_=substr($_,0,80)."\n"'
                         ^   ^

How long has this been in the language?  (The ability to put as many
underscores as you want in the middle of a numeric constant.)  When was it
added?

??????

-- 
Joe Wells <jbw@bu.edu>