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.\"
.IX Title "Lintian::Collect::Binary 3"
.TH Lintian::Collect::Binary 3 "2020-02-26" "Lintian v2.55.0~bpo10+1" "Debian Package Checker"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
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.SH "NAME"
Lintian::Collect::Binary \- Lintian interface to binary package data collection
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 2
\&    my ($name, $type, $dir) = (\*(Aqfoobar\*(Aq, \*(Aqbinary\*(Aq, \*(Aq/path/to/lab\-entry\*(Aq);
\&    my $collect = Lintian::Collect::Binary\->new($name);
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
Lintian::Collect::Binary provides an interface to package data for binary
packages.  It implements data collection methods specific to binary
packages.
.PP
This module is in its infancy.  Most of Lintian still reads all data from
files in the laboratory whenever that data is needed and generates that
data via collect scripts.  The goal is to eventually access all data about
binary packages via this module so that the module can cache data where
appropriate and possibly retire collect scripts in favor of caching that
data in memory.
.PP
Native heuristics are only available in source packages.
.SH "INSTANCE METHODS"
.IX Header "INSTANCE METHODS"
.IP "strings (\s-1FILE\s0)" 4
.IX Item "strings (FILE)"
Returns an open handle, which will read the data from coll/strings for
\&\s-1FILE.\s0  If coll/strings did not collect any strings about \s-1FILE,\s0 this
returns an open read handle with no content.
.Sp
Caller is responsible for closing the handle either way.
.Sp
Needs-Info requirements for using \fIstrings\fR: strings
.IP "relation (\s-1FIELD\s0)" 4
.IX Item "relation (FIELD)"
Returns a Lintian::Relation object for the specified \s-1FIELD,\s0 which should
be one of the possible relationship fields of a Debian package or one of
the following special values:
.RS 4
.IP "all" 4
.IX Item "all"
The concatenation of Pre-Depends, Depends, Recommends, and Suggests.
.IP "strong" 4
.IX Item "strong"
The concatenation of Pre-Depends and Depends.
.IP "weak" 4
.IX Item "weak"
The concatenation of Recommends and Suggests.
.RE
.RS 4
.Sp
If \s-1FIELD\s0 isn't present in the package, the returned Lintian::Relation
object will be empty (always satisfied and implies nothing).
.Sp
Needs-Info requirements for using \fIrelation\fR: Same as field
.RE
.IP "is_pkg_class ([\s-1TYPE\s0])" 4
.IX Item "is_pkg_class ([TYPE])"
Returns a truth value if the package is the given \s-1TYPE\s0 of special
package.  \s-1TYPE\s0 can be one of \*(L"transitional\*(R", \*(L"debug\*(R" or \*(L"any-meta\*(R".
If omitted it defaults to \*(L"any-meta\*(R".  The semantics for these values
are:
.RS 4
.IP "transitional" 4
.IX Item "transitional"
The package is (probably) a transitional package (e.g. it is probably
empty, just depend on stuff will eventually disappear.)
.Sp
Guessed from package description.
.IP "any-meta" 4
.IX Item "any-meta"
This package is (probably) some kind of meta or task package.  A meta
package is usually empty and just depend on stuff.  It will also
return a truth value for \*(L"tasks\*(R" (i.e. tasksel \*(L"tasks\*(R").
.Sp
A transitional package will also match this.
.Sp
Guessed from package description, section or package name.
.IP "debug" 4
.IX Item "debug"
The package is (probably) a package containing debug symbols.
.Sp
Guessed from the package name.
.IP "auto-generated" 4
.IX Item "auto-generated"
The package is (probably) a package generated automatically (e.g. a
dbgsym package)
.Sp
Guessed from the \*(L"Auto-Built-Package\*(R" field.
.RE
.RS 4
.Sp
Needs-Info requirements for using \fIis_pkg_class\fR: Same as field
.RE
.IP "is_non_free" 4
.IX Item "is_non_free"
Returns a truth value if the package appears to be non-free (based on
the section field; \*(L"non\-free/*\*(R" and \*(L"restricted/*\*(R")
.Sp
Needs-Info requirements for using \fIis_non_free\fR: \*(L"field ([FIELD[, \s-1DEFAULT\s0]])\*(R"
.SH "AUTHOR"
.IX Header "AUTHOR"
Originally written by Frank Lichtenheld <djpig@debian.org> for Lintian.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
\&\fBlintian\fR\|(1), Lintian::Collect, Lintian::Relation