Dpkg::Changelog::Parse man page on ElementaryOS

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Dpkg::Changelog::Parse(3)	 libdpkg-perl	     Dpkg::Changelog::Parse(3)

NAME
       Dpkg::Changelog::Parse - generic changelog parser for
       dpkg-parsechangelog

DESCRIPTION
       This module provides a single function changelog_parse() which
       reproduces all the features of dpkg-parsechangelog.

   FUNCTIONS
       my $fields = changelog_parse(%opt)
	   This function will parse a changelog. In list context, it return as
	   many Dpkg::Control object as the parser did output. In scalar
	   context, it will return only the first one. If the parser didn't
	   return any data, it will return an empty in list context or undef
	   on scalar context. If the parser failed, it will die.

	   The parsing itself is done by an external program (searched in the
	   following list of directories: $opt{libdir},
	   /usr/local/lib/dpkg/parsechangelog, /usr/lib/dpkg/parsechangelog)
	   That program is named according to the format that it's able to
	   parse. By default it's either "debian" or the format name lookep up
	   in the 40 last lines of the changelog itself (extracted with this
	   perl regular expression "\schangelog-format:\s+([0-9a-z]+)\W"). But
	   it can be overridden with $opt{changelogformat}. The program
	   expects the content of the changelog file on its standard input.

	   The changelog file that is parsed is debian/changelog by default
	   but it can be overridden with $opt{file}.

	   All the other keys in %opt are forwarded as parameter to the
	   external parser. If the key starts with "-", it's passed as is. If
	   not, it's passed as "--<key>". If the value of the corresponding
	   hash entry is defined, then it's passed as the parameter that
	   follows.

1.17.5				  2013-12-10	     Dpkg::Changelog::Parse(3)
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