remove useless uses of scalar

if (scalar @array) is written idiomatically in perl as
if (@array).

diff --git a/IkiWiki/Plugin/po.pm b/IkiWiki/Plugin/po.pm
index 3837ca15e66b39142f4459a23cca91fe16d2d72c..7dfa52f570c3cd21fa63234713b44316af3cae9c 100644 (file)
--- a/IkiWiki/Plugin/po.pm
+++ b/IkiWiki/Plugin/po.pm
@@ -275,7 +275,7 @@ sub pagetemplate (@) {
                $template->param(percenttranslated => percenttranslated($page));
        }
        if ($template->query(name => "istranslation")) {
-               $template->param(istranslation => scalar istranslation($page));
+               $template->param(istranslation => istranslation($page));
        }
        if ($template->query(name => "istranslatable")) {
                $template->param(istranslatable => istranslatable($page));
@@ -388,7 +388,7 @@ sub change(@) {
        # at once. As this more or less doubles the time needed to rebuild the
        # wiki, we do so only when really needed.
 
-       if (scalar @rendered
+       if (@rendered
            && exists $config{rebuild} && defined $config{rebuild} && $config{rebuild}
            && UNIVERSAL::can("IkiWiki::Plugin::meta", "getsetup")
            && exists $config{meta_overrides_page_title}
@@ -474,7 +474,7 @@ sub canrename ($$@) {
                # by looking for the master page in the list of to-be-renamed pages we
                # saved early in the renaming process.
                my $orig_torename = $session->param("po_orig_torename");
-               unless (scalar grep { $_->{src} eq $masterpage } @{$orig_torename}) {
+               unless (grep { $_->{src} eq $masterpage } @{$orig_torename}) {
                        return gettext("Can not rename a translation. Renaming the master page, ".
                                       "though, renames its translations as well.");
                }
@@ -542,7 +542,7 @@ sub formbuilder (@) {
                        if ($field->type eq 'select') {
                                # remove po from the list of types
                                my @types = grep { $_ ne 'po' } $field->options;
-                               $field->options(\@types) if scalar @types;
+                               $field->options(\@types) if @types;
                        }
                        else {
                                # make sure the default value is not po;
@@ -989,7 +989,7 @@ sub deletetranslations ($) {
                }
        } @todelete;
 
-       if (scalar @todelete) {
+       if (@todelete) {
                commit_and_refresh(
                        gettext("removed obsolete PO files"),
                        "IkiWiki::Plugin::po::deletetranslations");