That only searches one of @INC's directories, and it has portability issues. Fix:
use Path::Class qw( dir );
use Scalar::Util qw( reftype );
my $base_pkg = __PACKAGE__ . '::Plugins';
my %plugins;
my @subdirs = split(/::/, $base_pkg);
for (@INC) {
next if reftype($_);
++$plugins{"{$base_pkg}::$_"}
for
grep /^\.pm\z/,
map $_->basename(),
grep !$_->is_dir(),
dir($_, @subdirs)->children();
}
( my $base_dir = $base_pkg ) =~ s{::}{/}g;
++$plugins{"{$base_pkg}::$_"}
for
map m{^\Q$base_dir\E/([^/]+)\.pm\z},
keys(%INC);
my @plugins = sort keys(%plugins);
# Load them all!
for my $plugin (@plugins) {
eval("require \E$plugin\Q")
or die("Loading plugin $plugin: $@");
}
You gotta be careful that the file name case matches the package name case on case-agnostic systems. You've got a problem if there's a caseless system out there. Maybe some heuristics would help (such as scanning the .pm for a matching package statement and use its case).
Scanning %INC is useful for getting around the problem of a package manager creating a virtual file system using a reference in @INC.
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