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Pod::Find(3pm) Perl Programmers Reference Guide Pod::Find(3pm)
NAME
Pod::Find - find POD documents in directory trees
SYNOPSIS
use Pod::Find qw(pod_find simplify_name);
my %pods = pod_find({ -verbose => 1, -inc => 1 });
foreach(keys %pods) {
print "found library POD `$pods{$_}' in $_\n";
}
print "podname=",simplify_name('a/b/c/mymodule.pod'),"\n";
$location = pod_where( { -inc => 1 }, "Pod::Find" );
DESCRIPTION
Pod::Find provides a set of functions to locate POD files. Note that
no function is exported by default to avoid pollution of your names-
pace, so be sure to specify them in the use statement if you need them:
use Pod::Find qw(pod_find);
From this version on the typical SCM (software configuration manage-
ment) files/directories like RCS, CVS, SCCS, .svn are ignored.
"pod_find( { %opts } , @directories )"
The function pod_find searches for POD documents in a given set of
files and/or directories. It returns a hash with the file names as keys
and the POD name as value. The POD name is derived from the file name
and its position in the directory tree.
E.g. when searching in $HOME/perl5lib, the file $HOME/perl5lib/MyMod-
ule.pm would get the POD name MyModule, whereas
$HOME/perl5lib/Myclass/Subclass.pm would be Myclass::Subclass. The name
information can be used for POD translators.
Only text files containing at least one valid POD command are found.
A warning is printed if more than one POD file with the same POD name
is found, e.g. CPAN.pm in different directories. This usually indicates
duplicate occurrences of modules in the @INC search path.
OPTIONS The first argument for pod_find may be a hash reference with
options. The rest are either directories that are searched recursively
or files. The POD names of files are the plain basenames with any
Perl-like extension (.pm, .pl, .pod) stripped.
"-verbose => 1"
Print progress information while scanning.
"-perl => 1"
Apply Perl-specific heuristics to find the correct PODs. This
includes stripping Perl-like extensions, omitting subdirectories
that are numeric but do not match the current Perl interpreter's
version id, suppressing site_perl as a module hierarchy name etc.
"-script => 1"
Search for PODs in the current Perl interpreter's installation
scriptdir. This is taken from the local Config module.
"-inc => 1"
Search for PODs in the current Perl interpreter's @INC paths. This
automatically considers paths specified in the "PERL5LIB"
environment as this is prepended to @INC by the Perl interpreter
itself.
"simplify_name( $str )"
The function simplify_name is equivalent to basename, but also strips
Perl-like extensions (.pm, .pl, .pod) and extensions like .bat, .cmd on
Win32 and OS/2, or .com on VMS, respectively.
"pod_where( { %opts }, $pod )"
Returns the location of a pod document given a search directory and a
module (e.g. "File::Find") or script (e.g. "perldoc") name.
Options:
"-inc => 1"
Search @INC for the pod and also the "scriptdir" defined in the
Config module.
"-dirs => [ $dir1, $dir2, ... ]"
Reference to an array of search directories. These are searched in
order before looking in @INC (if -inc). Current directory is used
if none are specified.
"-verbose => 1"
List directories as they are searched
Returns the full path of the first occurrence to the file. Package
names (eg 'A::B') are automatically converted to directory names in the
selected directory. (eg on unix 'A::B' is converted to 'A/B'). Addi-
tionally, '.pm', '.pl' and '.pod' are appended to the search automati-
cally if required.
A subdirectory pod/ is also checked if it exists in any of the given
search directories. This ensures that e.g. perlfunc is found.
It is assumed that if a module name is supplied, that that name matches
the file name. Pods are not opened to check for the 'NAME' entry.
A check is made to make sure that the file that is found does contain
some pod documentation.
"contains_pod( $file , $verbose )"
Returns true if the supplied filename (not POD module) contains some
pod information.
AUTHOR
Please report bugs using <http://rt.cpan.org>.
Marek Rouchal <marekr@cpan.org>, heavily borrowing code from Nick
Ing-Simmons' PodToHtml.
Tim Jenness <t.jenness@jach.hawaii.edu> provided "pod_where" and "con-
tains_pod".
SEE ALSO
Pod::Parser, Pod::Checker, perldoc
perl v5.8.8 2001-09-21 Pod::Find(3pm)
Man(1) output converted with
man2html and wrapped by fishsponge
This page was generated on Sat Sep 8 16:41:48 GMT 2007
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