This sets the default line-separator (held in "$/", normally set to "\n") to undef, so that whatever comes in from STDIN (<>) will get slurped up, split on the string "-{103}", and assigned to @sections.
A short example... put the following into a script named "test.pl":
#!/usr/bin/perl -w
use strict;
my @sections = split 'FOO', do {local $/; <>};
close *ARGV;
print join("\n", @sections);
Then, put the following into a file called "test.txt":
FOObarFOObarFOObarFOObarFOObar
FOObarFOObarFOObarFOObarFOObar
FOObarFOObarFOObarFOObarFOObar
Then, run the following at the command-line:
cat test.txt | ./test.pl
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Posts may use any of the Perl Monks Approved HTML tags. Currently these include the following:
<code> <a> <b> <big>
<blockquote> <br /> <dd>
<dl> <dt> <em> <font>
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<sub> <sup> <table>
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<u> <ul>
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Snippets of code should be wrapped in
<code> tags not
<pre> tags. In fact, <pre>
tags should generally be avoided. If they must
be used, extreme care should be
taken to ensure that their contents do not
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intervention).
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Want more info? How to link
or How to display code and escape characters
are good places to start.
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