DPKG::Parse::Entry - Parse a Package style entry
use DPKG::Parse::Entry; my $data = <<EOH; Package: kernel-image-22.214.171.124 Source: kernel-source-126.96.36.199 Version: wrk01 Priority: optional Section: base Maintainer: Jamie Heilman <email@example.com> Depends: coreutils | fileutils (>= 4.0) Suggests: lilo (>= 19.1) | grub, fdutils, kernel-doc-188.8.131.52 | kernel-source-184.108.40.206 Provides: kernel-image, kernel-image-2.6 Architecture: i386 Filename: packages/./kernel-image-220.127.116.11_wrk01_i386.deb Size: 4293154 Installed-Size: 10312 MD5sum: 2acf846b127b71a1fa1143214b2b85a9 Description: Linux kernel binary image for version 18.104.22.168. EOH my $entry = DPKG::Parse::Entry->new('data' => $data); print $entry->package . " " . $entry->version . "\n"; $entry->package("kernel-foobar");
DPKG::Parse::Entry parses a dpkg "Package" file entry, creating a new DPKG::Parse::Entry instance for it. You submit the contents, beginning with a "Package:" line, as the 'data' argument to new. After that, all the data is populated as lowercased instance methods. For example, if we used the above to create an $entry object, we would have:
$entry->package == "kernel-image-22.214.171.124" $entry->size == 4293154 $entry->md5sum == 2acf846b127b71a1fa1143214b2b85a9
DPKG::Parse::Entry will skip any attribute it does not know about. You can see what it has skipped by passing a true value to the 'debug' option to 'new()'.
It should know all the attributes present in a Packages, available, and status file.
- Accessor Methods
The following accessor methods correspond directly to the values found in the parsed Package block, with one exception: "-" characters are replaced with "_". So, "build-essential" becomes "build_essential".
The accessors are:
architecture bugs build_essential conflicts config_version conffiles depends description enhances essential filename installed_size maintainer md5sum origin package priority provides pre_depends recommends replaces size source section suggests status task tag url version
- new('data' => $data, 'debug' => 1)
Creates a new DPKG::Parse::Entry object. 'data' should be a scalar that contains the text of a dpkg-style Package entry. If the 'debug' flag is set, we will Carp about entries we don't have accessors for.
- parse('data' => $data);
Does the actual parsing of the Package block given to new(). Probably should only be called once per object.