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From: tchrist@convex.com (Tom Christiansen)
Newsgroups: comp.lang.perl
Subject: scalar split can coredump
Message-ID: <1991Jan10.173933.26134@convex.com>
Date: 10 Jan 91 17:39:33 GMT
Sender: news@convex.com (news access account)
Reply-To: tchrist@convex.com (Tom Christiansen)
Organization: Convex Computer Corp, Richardson, TX
Lines: 29
Nntp-Posting-Host: pixel.convex.com


This line makes perl dump core:

    perl -ne 'print unless split > 0'

This is the stack backtrace:

    _make_op(8009ea88,2,8009ea88,800962c8,0) from 0x8005859e [ap = ffffc500]
    _yyparse() from 0x80035aea [ap = ffffc8f0]
    _main(1,ffffca20,ffffca28) from ___ap$envret+0x26 [ap = ffffca0c]

What I'm trying to do here is split $_ into @_ 
and count the fields.  I had done this:

    print unless split;

But that didn't seem to work either (but no core dump), even 
though the man page states:

    If not in an array context, returns the number of fields found and
    splits into the @_ array.

So, Larry, is this a bug or am I confused?

--tom
--
"Hey, did you hear Stallman has replaced /vmunix with /vmunix.el?  Now
 he can finally have the whole O/S built-in to his editor like he
 always wanted!" --me (Tom Christiansen <tchrist@convex.com>)