Perl
in [Programming]
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FAQ 6.24 How do I match a regular expression that's in a variable? This is an excerpt from the latest version perlfaq6.pod, which comes with the standard Perl distribution. These postings aim to reduce the number of repeated questions as well as allow the community to review and update the answers. The latest version of the complete perlfaq is at http://faq.perl.org . --------... 6 Aug 2010 18:11
Question re calling subroutines I typically call subroutines without using parenthesis, e.g., &abc;. I have one routine where I pass variables and I call it as: &abc(A,B,C);: sub abc { $A = $_[0]; B=$_[1]; C=$_[2]; } Should I be using parenthesis at the subroutine, i.e., sub abc (A,B,C) {...} and why? TIA, Herb ... 10 Aug 2010 18:00
Does this match any number or just single digit ones? Will this line update $page with a number if it's double digit (ie 10+) or does the code need to change? my ($page) = $page_number_txt =~ /PAGE (\d) >/; ... 8 Aug 2010 16:42
sysopen failures Hello, A script saves mails sent by a crontab--so, there may be bursts... It uses sysopen, I assume to make sure it doesn't overwrite existing files. At times, we get bursts of errors (File exists), which I trace to the sysopen call. However, I cannot find that all the corresponding files would have existed. ... 13 Aug 2010 14:39
FAQ 7.4 How do I skip some return values? This is an excerpt from the latest version perlfaq7.pod, which comes with the standard Perl distribution. These postings aim to reduce the number of repeated questions as well as allow the community to review and update the answers. The latest version of the complete perlfaq is at http://faq.perl.org . --------... 6 Aug 2010 12:40
FAQ 1.3 Which version of Perl should I use? This is an excerpt from the latest version perlfaq1.pod, which comes with the standard Perl distribution. These postings aim to reduce the number of repeated questions as well as allow the community to review and update the answers. The latest version of the complete perlfaq is at http://faq.perl.org . --------... 6 Aug 2010 06:03
Posting Guidelines for comp.lang.perl.misc ($Revision: 1.9 $) Outline Before posting to comp.lang.perl.misc Must - Check the Perl Frequently Asked Questions (FAQ) - Check the other standard Perl docs (*.pod) Really Really Should - Lurk for a while before posting - Search a Usenet archive If You Like - Check Other Re... 6 Aug 2010 14:52
Extract variable length numbers (tab delimitered) from astring? On Wed, 04 Aug 2010 16:10:39 -0400, Sherm Pendley wrote: "Uri Guttman" <uri(a)StemSystems.com> writes: i don't use a debugger, IDE or anything but print and i get working code without pain. brains over typing! :) Agreed - I *very* rarely need to resort to single-stepping, breakpoints, and the l... 6 Aug 2010 03:53
FAQ 7.17 What's the difference between dynamic and lexical (static) scoping? Between local() and my()? This is an excerpt from the latest version perlfaq7.pod, which comes with the standard Perl distribution. These postings aim to reduce the number of repeated questions as well as allow the community to review and update the answers. The latest version of the complete perlfaq is at http://faq.perl.org . --------... 6 Aug 2010 00:39
FAQ 3.16 How can I make my Perl program take less memory? This is an excerpt from the latest version perlfaq3.pod, which comes with the standard Perl distribution. These postings aim to reduce the number of repeated questions as well as allow the community to review and update the answers. The latest version of the complete perlfaq is at http://faq.perl.org . --------... 5 Aug 2010 18:02 |