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How to download a range of bytes?

by Zeokat (Novice)
on Dec 26, 2007 at 22:56 UTC ( [id://659125]=perlquestion: print w/replies, xml ) Need Help??

Zeokat has asked for the wisdom of the Perl Monks concerning the following question:

Apiculturist -

: Bees evolved to view dark, fuzzy objects as natural predators like bears or skunks. Wearing black can trigger their defensive instincts [1.9].

: Offers a mix of professional statistics and personal stories from veteran keepers [1.12].

: A practical handbook-style resource for bee culture [1.11]. apiculturist

: Regularly features technical updates from leading apiculture researchers [1.4, 1.7].

Modern apiculturists are on the front lines of environmental health. Researchers like have highlighted that bee health is threatened by a "cocktail" of factors, including over 150 chemical residues found in hive wax and pollen, as well as habitat loss from urban development [1.7, 1.8]. : Bees evolved to view dark, fuzzy objects

: A guideline for hive expansion; when 7 out of 10 frames in a box are full, it’s time to add a "super" (an additional box) to prevent swarming [1.6]. Current Challenges & Insights

: About one-third of the food we eat depends on pollination, making the work of migratory apiculturists vital to global food security [1.8, 1.10]. Popular Apiculture Resources : A practical handbook-style resource for bee culture [1

Being an apiculturist is a blend of science, agricultural skill, and environmental stewardship [1.3]. While "beekeeper" is the common term, specifically refers to the scientific study and management of the genus Apis (honeybees) [1.1, 1.3].

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Re: How to download a range of bytes?
by eserte (Deacon) on Dec 26, 2007 at 23:27 UTC
    This seems to work:
    #!/usr/bin/perl -w use strict; use LWP::UserAgent; my $ua = LWP::UserAgent->new; my $url = 'http://localhost/...'; $ua->default_headers->push_header(Range => "bytes=1000-2000"); my $response = $ua->get($url); my $content = $response->content(); warn length($content); warn $content;
    To get the current content length of the object, you can do a HEAD before and look at the content-length header.
      The code works verrrrrrry good eserte. Big thanks. But new question arrive to my head, are there any way to know if the server have the abbility of "Accept-Ranges: bytes" ?? Thanks in advance.
        Try fetching with HEAD instead of GET to view the Accept* headers without getting the content itself

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