|
How do I determine whether a filehandle is open? I didn't find it in the FAQ. How do I determine whether a filehandle (STDERR in my case) is open? Frank -- Dipl.-Inform. Frank Seitz; http://www.fseitz.de/ Anwendungen f�r Ihr Internet und Intranet Tel: 04103/180301; Fax: -02; Industriestr. 31, 22880 Wedel ... 11 Apr 2008 15:54
FAQ 8.42 How do I make a system() exit on control-C? This is an excerpt from the latest version perlfaq8.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 . --------... 11 Apr 2008 15:06
Quality of rand() Elsewhere I saw someone making an argument and using a Perl program to support it, one in which he calls rand() in a loop 2000000 times. Now, in my native C, rand() typically falls apart statistically long before that many iterations. Is there any guarantee in Perl on the randomness and/or length of the period of ... 14 Apr 2008 16:13
Gisle Aas's Illustrated Perl Guts? I see a lot of references to "Gisle Aas's Illustrated Perl Guts" but am unable to find a copy. All the *.no links are broken. Is a copy available somewhere online? -- _+_ From the catapult of |If anyone disagrees with any statement I make, I _|70|___:)=}- J.D. Baldwin |am quite prepared not only to retrac... 14 Apr 2008 11:21
empty array? Could anybody tell me why @x in the last line contains nothing? Thanks a lot. $filename = $ARGV[0]; open(FP, $filename); @x=(); @y=(); $i=0; while ($line = <FP>) { chomp $line; print $line; @words = split(/\t/, $line); $x[$i] = $words[1]; $y[$i++] = $words[2]; } print @x; ... 11 Apr 2008 16:42
FAQ 9.6 How do I download a file from the user's machine? How do I open a file on another machine? This is an excerpt from the latest version perlfaq9.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 . --------... 11 Apr 2008 09:29
design strategy on handling large DB except in using mysql or related programs, how can perl be used to deal with large databases? Furthermore, how can I load that large db into cache in advance and later use another perl to access/search that db? ... 14 Apr 2008 17:01
Server Socket programming with Perl Hi there , I have a GPRS device that sends it's IMEI data after a sucessfull TCP socket is established with a Unix Server. It waits for a sucess or failure ( 1 or 0) from the Server. The GPRS decvice then sends it's packet of data back to server (approx 100 bytes). Can somebody help me find out how I can rearra... 14 Apr 2008 17:01
FAQ 8.43 How do I open a file without blocking? This is an excerpt from the latest version perlfaq8.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 . --------... 11 Apr 2008 02:55
Proposal for a new group comp.lang.perl.stupid.stupid.stupid.flamewar.over.the.nameofperl Did I mention stupid? ... 11 Apr 2008 02:55 |