04-06-2001
I am wanting to find a UNIX simulator, pref a shareware or freeware I can download. If anyone can help it would be greatly appreciated.
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LEARN ABOUT CENTOS
cpan::distroprefs
CPAN::Distroprefs(3pm) Perl Programmers Reference Guide CPAN::Distroprefs(3pm)
NAME
CPAN::Distroprefs -- read and match distroprefs
SYNOPSIS
use CPAN::Distroprefs;
my %info = (... distribution/environment info ...);
my $finder = CPAN::Distroprefs->find($prefs_dir, \%ext_map);
while (my $result = $finder->next) {
die $result->as_string if $result->is_fatal;
warn($result->as_string), next if $result->is_warning;
for my $pref (@{ $result->prefs }) {
if ($pref->matches(\%info)) {
return $pref;
}
}
}
DESCRIPTION
This module encapsulates reading Distroprefs and matching them against CPAN distributions.
INTERFACE
my $finder = CPAN::Distroprefs->find($dir, \%ext_map);
while (my $result = $finder->next) { ... }
Build an iterator which finds distroprefs files in the given directory.
%ext_map is a hashref whose keys are file extensions and whose values are modules used to load matching files:
{
'yml' => 'YAML::Syck',
'dd' => 'Data::Dumper',
...
}
Each time "$finder->next" is called, the iterator returns one of two possible values:
o a CPAN::Distroprefs::Result object
o "undef", indicating that no prefs files remain to be found
RESULTS
"find()" returns CPAN::Distroprefs::Result objects to indicate success or failure when reading a prefs file.
Common
All results share some common attributes:
type
"success", "warning", or "fatal"
file
the file from which these prefs were read, or to which this error refers (relative filename)
ext
the file's extension, which determines how to load it
dir
the directory the file was read from
abs
the absolute path to the file
Errors
Error results (warning and fatal) contain:
msg
the error message (usually either $! or a YAML error)
Successes
Success results contain:
prefs
an arrayref of CPAN::Distroprefs::Pref objects
PREFS
CPAN::Distroprefs::Pref objects represent individual distroprefs documents. They are constructed automatically as part of "success"
results from "find()".
data
the pref information as a hashref, suitable for e.g. passing to Kwalify
match_attributes
returns a list of the valid match attributes (see the Distroprefs section in CPAN)
currently: "env perl perlconfig distribution module"
has_any_match
true if this pref has a 'match' attribute at all
has_valid_subkeys
true if this pref has a 'match' attribute and at least one valid match attribute
matches
if ($pref->matches(\%arg)) { ... }
true if this pref matches the passed-in hashref, which must have a value for each of the "match_attributes" (above)
LICENSE
This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
perl v5.16.3 2013-03-04 CPAN::Distroprefs(3pm)