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Search found 15 results on 1 pages for 'planetp'.

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• How can I generate a range of IP addresses in Perl?

  - by planetp

  I need to generate a list of IP-addresses (IPv4) in Perl. I have start and end addresses, for example 1.1.1.1 and 1.10.20.30. How can I print all the addresses inbetween?

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• How can I get the ultimate URL without fetching the pages using perl and LWP?

  - by planetp

  I'm doing some web scraping using perl's LWP. I need to process a set of URLs, some of which may redirect (1 or more times). How can I get ultimate url with all redirects resolved, using HEAD method ?

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• How do I eliminate TT's "Wide character in print" warning ?

  - by planetp

  I have this warning every time I run my CGI-script (output is rendered by Template::Toolkit): Wide character in print at /usr/local/lib/perl5/site_perl/5.8.9/mach/Template.pm line 163. What's the right way to eliminate it? I create the tt object using this config: my %config = ( ENCODING => 'utf8', INCLUDE_PATH => $ENV{TEMPLATES_DIR}, EVAL_PERL => 1, } my $tt = Template->new(\%config);

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• How can I make WWW:Mechanize to not fetch pages twice?

  - by planetp

  I have a web scraping application, written in OO perl. There's single WWW::Mechanize object used in the app. How can I make it to not fetch the same url twice, i.e. make the second get() with the same url nop: my $mech = WWW::Mechanize->new(); my $url = 'http:://google.com'; $mech->get( $url ); # first time, fetch $mech->get( $url ); # same url, do nothing

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• Why is python documentation so incomprehensible? [closed]

  - by planetp

  I'm coming from perl, and reading Python module and program documentation causes me frustration. Perl modules usually have flowing and descriptive documentation. While python docs seem to have no flow at all. Could you give some advices for using python docs?

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• How can I extract all links from the page excluding one using perl's WWW::Mechanize ?

  - by planetp

  I'm trying to use WWW::Mechanize to extract some links from the HTML-page using find_all_links() method. It supports matching on these criterias: text text_regex url url_regex url_abs url_abs_regex ... How can I extract all links except one that has text "xyz"?

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• How can I make vim automatically sort file on close?

  - by planetp

  I have a config file which has sorted lines. After I add new lines somewhere in the file, I usually type ggvG :sort. Is it possible to make vim do this automatically when I close the file?

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• How can I test if line is empty in shell script?

  - by planetp

  I have a shell script like this: cat file | while read line do # run some commands using $line done Now I need to check if the line contains any non-whitespace character ([\n\t ]), and if not, skip it. How can I do this?

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• What regex can I use to match any valid IP-address represented in dot-decimal notation?

  - by planetp

  What regex can I use to match any valid IP-address represented in dot-decimal notation?

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• Problem with the POSIX module

  - by planetp

  After moving my mod_perl site from Linux hosting to FreeBSD, I have this error in the logfile: Your vendor has not defined POSIX macro SIGRTMIN, used at ../../lib/POSIX.pm (autosplit into ../../lib/auto/POSIX/SigRt/_init.al) line 993\n The script just imports POSIX and utilizes some functions (ceil, etc) How can I solve this issue ?

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• Does the MySQLdb module support prepared statements ?

  - by planetp

  Does MySQLdb support server-side prepared statements? I can't figure this out from its manual.

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• Why is object destructor not called when script terminates ?

  - by planetp

  I have a test script like this: package Test; sub new { bless {} } sub DESTROY { print "in DESTROY\n" } package main; my $t = new Test; sleep 10; The destructor is called after sleep returns (and before the program terminates). But it's not called if the script is terminated with Ctrl-C. Is it possible to have the destructor called in this case also?

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• Please suggest some repository layout for custom scripts

  - by planetp

  I want to put custom scripts/programs in ~/bin on few machines under version control (repository is on a remote server). In the bin/ folders I have many perl/sh/bash scripts, as well as small .c programs. What layout would you use for such repo?

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• How do I check if two html-strings are equivalent with python?

  - by planetp

  I need to compare two strings, containing HTML text. The test should return true if the html strings are equivalent, i.e. differ only in whitespace and comments. Is there any module that can be used for this task?

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• Why doesn't Perl's strictures complain about an undeclared $a?

  - by planetp

  Why is there no error issued by strict: use strict; $a = $a + 1;

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