HTTP/2 302 server: nginx date: Fri, 18 Jul 2025 00:54:43 GMT content-type: text/plain; charset=utf-8 content-length: 0 x-archive-redirect-reason: found capture at 20100124083411 location: https://web.archive.org/web/20100124083411/https://answers.oreilly.com/rss/tags/perl server-timing: captures_list;dur=0.513731, exclusion.robots;dur=0.022207, exclusion.robots.policy;dur=0.012875, esindex;dur=0.009128, cdx.remote;dur=5.109725, LoadShardBlock;dur=157.556586, PetaboxLoader3.datanode;dur=78.643088, PetaboxLoader3.resolve;dur=46.761061 x-app-server: wwwb-app202 x-ts: 302 x-tr: 190 server-timing: TR;dur=0,Tw;dur=0,Tc;dur=1 set-cookie: SERVER=wwwb-app202; path=/ x-location: All x-rl: 0 x-na: 0 x-page-cache: MISS server-timing: MISS x-nid: DigitalOcean referrer-policy: no-referrer-when-downgrade permissions-policy: interest-cohort=() HTTP/2 200 server: nginx date: Fri, 18 Jul 2025 00:54:44 GMT content-type: text/xml; charset=UTF-8 content-length: 5643 x-archive-orig-date: Sun, 24 Jan 2010 08:34:11 GMT x-archive-orig-server: Apache/2.2.11 (Unix) mod_ssl/2.2.11 OpenSSL/0.9.8e-fips-rhel5 mod_auth_passthrough/2.1 mod_bwlimited/1.4 FrontPage/5.0.2.2635 PHP/5.2.8 x-archive-orig-x-powered-by: PHP/5.2.8 x-archive-orig-set-cookie: answers_session_id=deleted; expires=Sat, 24-Jan-2009 08:34:10 GMT; path=/; domain=.oreilly.com; httponly x-archive-orig-set-cookie: answers_session_id=deleted; expires=Sat, 24-Jan-2009 08:34:10 GMT; path=/; domain=.oreilly.com; httponly x-archive-orig-expires: Sun 24 Jan 2010 08:34:12 AM GMT GMT x-archive-orig-cache-control: must-revalidate, post-check=0, pre-check=0 x-archive-orig-pragma: public x-archive-orig-content-length: 5643 x-archive-orig-connection: close cache-control: max-age=1800 x-archive-guessed-content-type: text/xml x-archive-guessed-charset: utf-8 memento-datetime: Sun, 24 Jan 2010 08:34:11 GMT link: ; rel="original", ; rel="timemap"; type="application/link-format", ; rel="timegate", ; rel="first memento"; datetime="Sun, 24 Jan 2010 08:31:26 GMT", ; rel="prev memento"; datetime="Sun, 24 Jan 2010 08:31:26 GMT", ; rel="memento"; datetime="Sun, 24 Jan 2010 08:34:11 GMT", ; rel="next memento"; datetime="Wed, 30 Jun 2010 22:58:32 GMT", ; rel="last memento"; datetime="Thu, 26 Sep 2013 00:58:32 GMT" content-security-policy: default-src 'self' 'unsafe-eval' 'unsafe-inline' data: blob: archive.org web.archive.org web-static.archive.org wayback-api.archive.org athena.archive.org analytics.archive.org pragma.archivelab.org wwwb-events.archive.org x-archive-src: 51_13_20100124080148_crawl100-c/51_13_20100124083259_crawl100.arc.gz server-timing: captures_list;dur=0.777297, exclusion.robots;dur=0.034045, exclusion.robots.policy;dur=0.020043, esindex;dur=0.017953, cdx.remote;dur=8.008507, LoadShardBlock;dur=122.649440, PetaboxLoader3.datanode;dur=159.730976, PetaboxLoader3.resolve;dur=145.688748, load_resource;dur=270.069235 x-app-server: wwwb-app202 x-ts: 200 x-tr: 433 server-timing: TR;dur=0,Tw;dur=0,Tc;dur=1 x-location: All x-rl: 0 x-na: 0 x-page-cache: MISS server-timing: MISS x-nid: DigitalOcean referrer-policy: no-referrer-when-downgrade permissions-policy: interest-cohort=() accept-ranges: bytes https://answers.oreilly.com/tag/perl Wed, 16 Dec 2009 09:01:14 +0000 60 https://answers.oreilly.com/topic/893-how-can-i-call-perl-from-java/ Inline-Java is the usual library to call java from Perl, and this post propose a org.perl.java module which should allow calling Perl from Java, as asked. However, because of the unpredictability o... Wed, 16 Dec 2009 09:01:14 +0000 https://answers.oreilly.com/topic/893-how-can-i-call-perl-from-java/ https://answers.oreilly.com/topic/821-does-anyone-have-or-know-any-good-twitter-trends-scraping-tools-preferrably-perl-or-python/ Thu, 01 Jan 1970 00:00:00 +0000 https://answers.oreilly.com/topic/821-does-anyone-have-or-know-any-good-twitter-trends-scraping-tools-preferrably-perl-or-python/ https://answers.oreilly.com/topic/799-dealing-with-gd-module-from-cpan/ Tue, 01 Dec 2009 14:44:27 +0000 https://answers.oreilly.com/topic/799-dealing-with-gd-module-from-cpan/ https://answers.oreilly.com/topic/585-how-do-i-know-if-my-perl-script-is-running-interactively/ taken from perlfaq8 This is a difficult question to answer, and the best answer is only a guess. What do you really want to know? If you merely want to know if one of your filehandles is connected to... Thu, 05 Nov 2009 17:23:55 +0000 https://answers.oreilly.com/topic/585-how-do-i-know-if-my-perl-script-is-running-interactively/ https://answers.oreilly.com/topic/575-how-can-you-convert-mime-email-files-into-outlook-on-linux/ Thu, 01 Jan 1970 00:00:00 +0000 https://answers.oreilly.com/topic/575-how-can-you-convert-mime-email-files-into-outlook-on-linux/ https://answers.oreilly.com/topic/570-performance-of-vs-1-in-a-perl-substitution/ Wed, 04 Nov 2009 16:02:38 +0000 https://answers.oreilly.com/topic/570-performance-of-vs-1-in-a-perl-substitution/ https://answers.oreilly.com/topic/503-how-to-remove-duplicate-lines-with-regular-expressions/ There is a variety of software (including the Unix command-line utility uniq and Windows PowerShell cmdlet Get-Unique) that can help you remove duplicate lines in a file or ... Fri, 30 Oct 2009 16:35:03 +0000 https://answers.oreilly.com/topic/503-how-to-remove-duplicate-lines-with-regular-expressions/ https://answers.oreilly.com/topic/419-convert-binary-octal-and-hexidecimal-numbers-in-perl/ Perl understands numbers specified in binary (base-2), octal (base-8), and hexadecimal (base-16) notation only when they occur as literals in your programs. If they come in as data—such as by readin... Wed, 21 Oct 2009 01:10:12 +0000 https://answers.oreilly.com/topic/419-convert-binary-octal-and-hexidecimal-numbers-in-perl/ https://answers.oreilly.com/topic/418-how-to-multiply-matrices-in-perl/ If you want to multiply a pair of two-dimensional arrays, use the PDL modules, available from CPAN. PDL is the Perl Data Language—modules that give fast access to compact matrix and mathematical fun... Wed, 21 Oct 2009 00:53:48 +0000 https://answers.oreilly.com/topic/418-how-to-multiply-matrices-in-perl/ https://answers.oreilly.com/topic/416-how-to-generate-random-numbers-in-perl/ Wed, 21 Oct 2009 00:01:00 +0000 https://answers.oreilly.com/topic/416-how-to-generate-random-numbers-in-perl/