+#!/usr/bin/perl -l
+use strict;
+#use warnings; # corelist and find throw tons of warnings
+use Module::CoreList;
+use File::Find;
+use SL::InstallationCheck;
+
+my (%uselines, %modules, %supplied);
+
+find(sub {
+ return unless /(\.p[lm]|console)$/;
+
+ # remember modules shipped with Lx-Office
+ $supplied{modulize($File::Find::name)}++
+ if $File::Find::dir =~ m#modules/#;
+
+ open my $fh, '<', $_ or warn "can't open $_: $!";
+ while (<$fh>) {
+ chomp;
+ next if !/^use /;
+ next if /SL::/;
+ next if /Support::Files/; # our own test support module
+ next if /use (warnings|strict|vars|lib|constant|utf8)/;
+
+ my ($useline) = m/^use\s+(.*?)$/;
+
+ next if $useline =~ /^[\d.]+;/; # skip version requirements
+ next if !$useline;
+
+ $uselines{$useline}++;
+ }
+}, '.');
+
+for my $useline (keys %uselines) {
+ $useline =~ s/#.*//; # kill comments
+
+ # modules can be loaded implicit with use base qw(Module) or use parent
+ # 'Module'. catch these:
+ my ($module, $args) = $useline =~ /
+ (?:
+ (?:base|parent)
+ \s
+ (?:'|"|qw.)
+ )? # optional parent block
+ ([\w:]+) # the module
+ (.*) # args
+ /ix;
+
+ # some comments looks very much like use lines
+ # try to get rid of them
+ next if $useline =~ /^it like a normal Perl node/; # YAML::Dump comment
+ next if $useline =~ /^most and offer that in a small/; # YAML
+
+ my $version = Module::CoreList->first_release($module);
+ $modules{$module} = $supplied{$module} ? 'included'
+ : $version ? sprintf '%2.6f', $version
+ : is_documented($module) ? 'required'
+ : '!missing';
+}
+
+print sprintf "%8s : %s", $modules{$_}, $_
+ for sort {
+ $modules{$a} cmp $modules{$b}
+ || $a cmp $b
+ } keys %modules;
+
+sub modulize {
+ for (my ($name) = @_) {
+ s#^./modules/\w+/##;
+ s#.pm$##;
+ s#/#::#g;
+ return $_;
+ }
+}
+
+sub is_documented {
+ my ($module) = @_;
+ return grep { $_->{name} eq $module } @SL::InstallationCheck::required_modules;
+}
+
+__END__
+