Date: Sun, 04 Apr 2010 08:25:03 -0700 From: merlyn@stonehenge.com (Randal L. Schwartz) To: kline@thought.org Cc: glarkin@FreeBSD.org, FreeBSD Mailing List <freebsd-questions@FreeBSD.org> Subject: Re: perl qstn... Message-ID: <86aatjnsts.fsf@red.stonehenge.com> In-Reply-To: <1270371713.5861.98.camel@tao.thought.org> (Gary Kline's message of "Sun, 04 Apr 2010 02:01:53 -0700") References: <20100403210610.GA4135@thought.org> <4BB8108A.9080104@FreeBSD.org> <1270371713.5861.98.camel@tao.thought.org>
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>>>>> "Gary" == Gary Kline <kline@thought.org> writes: Gary> #!/usr/bin/perl Gary> $argc = @ARGV; Gary> if (! $argc ) { Gary> printf("No args; need filename.\n"); Gary> } Gary> else { Gary> printf("%s\n", @ARGV); Gary> } Even simpler: if (@ARGV) { print "No args\n"; } else { print "arg is $ARGV[0]\n"; } If you're studying perl, you might want to join the very beginner-friendly mailing list, info at http://lists.perl.org/list/beginners.html, or start a conversation on perlmonks.org, also relatively beginner-friendly. And I'd recommend a couple of good books, but I might be seen as self-pimping. :) But if you look at http://learn.perl.org/ you'll see a number of other resources, including free tutorials online. print "Just another Perl hacker,"; # the original -- Randal L. Schwartz - Stonehenge Consulting Services, Inc. - +1 503 777 0095 <merlyn@stonehenge.com> <URL:http://www.stonehenge.com/merlyn/> Smalltalk/Perl/Unix consulting, Technical writing, Comedy, etc. etc. See http://methodsandmessages.vox.com/ for Smalltalk and Seaside discussion
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