--- loncom/interface/lonsearchcourse.pm	2024/02/11 22:20:06	1.11
+++ loncom/interface/lonsearchcourse.pm	2024/02/11 23:03:13	1.12
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Search Course
 #
-# $Id: lonsearchcourse.pm,v 1.11 2024/02/11 22:20:06 raeburn Exp $
+# $Id: lonsearchcourse.pm,v 1.12 2024/02/11 23:03:13 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -138,9 +138,9 @@ sub course_search {
     my $c=$r->connection;
     if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.".db",
             &GDBM_READER(),0640)) {
-        foreach (sort(keys(%hash))) {
-            if ($c->aborted()) { last; }
-            if (($_=~/^src\_(.+)$/)) {
+        foreach my $key (sort(keys(%hash))) {
+            last if ($c->aborted());
+            if ($key =~ /^src\_(.+)$/) {
                 my $rid = $1;
                 unless ($env{'request.role.adv'}) {
                     next if ($hash{'randomout_'.$rid} || $hash{'deeplinkout_'.$rid});
@@ -152,7 +152,7 @@ sub course_search {
                     }
                 }
                 my $symb=&make_symb($1);
-                &checkonthis($r,$1,$hash{$_},0,&Apache::lonnet::gettitle($symb),
+                &checkonthis($r,$1,$hash{$key},0,&Apache::lonnet::gettitle($symb),
                              $fulltext,$symb,$target,@allwords);
             }
         }
@@ -296,18 +296,18 @@ sub checkonthis {
 # Check also the dependencies of this one
     my $dependencies=
                 &Apache::lonnet::metadata($url,'dependencies');
-    foreach (split(/\,/,$dependencies)) {
-       if (($_=~/^\/res\//) && (!$alreadyseen{$id})) {
-          &checkonthis($r,$id,$_,$level+1,'',$fulltext,undef,$target,@allwords);
+    foreach my $url (split(/\,/,$dependencies)) {
+       if (($url =~ /^\/res\//) && (!$alreadyseen{$id})) {
+          &checkonthis($r,$id,$url,$level+1,'',$fulltext,undef,$target,@allwords);
        }
     }
 }
 
 sub checkwords {
     my ($result,$applies,@allwords) = @_;
-    foreach (@allwords) {
-        if ($_=~/\w/) {
-            if ($result=~/$_/si) {
+    foreach my $word (@allwords) {
+        if ($word =~ /\w/) {
+            if ($result =~ /$word/si) {
                 $applies++;
             }
         }