--- loncom/debugging_tools/modify_config_files.pl	2021/03/13 18:10:00	1.17
+++ loncom/debugging_tools/modify_config_files.pl	2021/03/13 19:38:32	1.18
@@ -2,7 +2,7 @@
 #
 # The LearningOnline Network
 #
-# $Id: modify_config_files.pl,v 1.17 2021/03/13 18:10:00 raeburn Exp $
+# $Id: modify_config_files.pl,v 1.18 2021/03/13 19:38:32 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -202,40 +202,40 @@ if ($dist =~ /^fedora(\d+)$/) {
 } elsif ($dist =~ /^(debian|ubuntu)\d+$/) {
     my %apt_get_source = (
                            debian5 => {
-                                        regexp => '\s*deb\s+'.$loninst_re.'/debian/\s+lenny\s+main',
-                                        text   => "deb $loninst/debian/ lenny main",
+                                        regexp => '\s*deb\s+'.$loninst_re.'/debian/?\s+lenny\s+main',
+                                        text   => "deb $loninst/debian lenny main",
                                       },
                            ubuntu6 => {
-                                        regexp => '\s*deb\s+'.$loninst_re.'/ubuntu/\s+dapper\s+main',
-                                        text   => "deb $loninst/ubuntu/ dapper main",
+                                        regexp => '\s*deb\s+'.$loninst_re.'/ubuntu/?\s+dapper\s+main',
+                                        text   => "deb $loninst/ubuntu dapper main",
                                       },
                            ubuntu8 => {
-                                        regexp => '\s*deb\s+'.$loninst_re.'/ubuntu/\s+hardy\s+main',
-                                        text   => "deb $loninst/ubuntu/ hardy main",
+                                        regexp => '\s*deb\s+'.$loninst_re.'/ubuntu/?\s+hardy\s+main',
+                                        text   => "deb $loninst/ubuntu hardy main",
                                       },
                            ubuntu10 => {
-                                        regexp => '\s*deb\s+'.$loninst_re.'/ubuntu/\s+lucid\s+main',
-                                        text   => "deb $loninst/ubuntu/ lucid main",
+                                        regexp => '\s*deb\s+'.$loninst_re.'/ubuntu/?\s+lucid\s+main',
+                                        text   => "deb $loninst/ubuntu lucid main",
                                        },
                            ubuntu12 => {
-                                        regexp => '\s*deb\s+'.$loninst_re.'/ubuntu/\s+precise\s+main',
-                                        text   => "deb $loninst/ubuntu/ precise main",
+                                        regexp => '\s*deb\s+'.$loninst_re.'/ubuntu/?\s+precise\s+main',
+                                        text   => "deb $loninst/ubuntu precise main",
                                        },
                            ubuntu14 => {
-                                        regexp => '\s*deb\s+'.$loninst_re.'/ubuntu/\s+trusty\s+main',
-                                        text   => "deb $loninst/ubuntu/ trusty main",
+                                        regexp => '\s*deb\s+'.$loninst_re.'/ubuntu/?\s+trusty\s+main',
+                                        text   => "deb $loninst/ubuntu trusty main",
                                        },
                            ubuntu16 => {
-                                        regexp => '\s*deb\s+'.$loninst_re.'/ubuntu/\s+xenial\s+main',
-                                        text   => "deb $loninst/ubuntu/ xenial main",
+                                        regexp => '\s*deb\s+'.$loninst_re.'/ubuntu/?\s+xenial\s+main',
+                                        text   => "deb $loninst/ubuntu xenial main",
                                        },
                            ubuntu18 => {
-                                        regexp => '\s*deb\s+'.$loninst_re.'/ubuntu/\s+bionic\s+main',
-                                        text   => "deb $loninst/ubuntu/ bionic main",
+                                        regexp => '\s*deb\s+'.$loninst_re.'/ubuntu/?\s+bionic\s+main',
+                                        text   => "deb $loninst/ubuntu bionic main",
                                        },
                            ubuntu20 => {
-                                        regexp => '\s*deb\s+'.$loninst_re.'/ubuntu/\s+focal\s+main',
-                                        text   => "deb $loninst/ubuntu/ focal main",
+                                        regexp => '\s*deb\s+'.$loninst_re.'/ubuntu/?\s+focal\s+main',
+                                        text   => "deb $loninst/ubuntu focal main",
                                        },
                          );
     my $apt_status;
@@ -376,7 +376,7 @@ sub write_config_file {
     if (! defined($structure) || ! ref($structure)) {
         return 'Bad subroutine inputs';
     }
-    open(OUTPUT,'>'.$file) || return('Unable to open '.$file.' for writing');
+    open(OUTPUT,'>',$file) || return('Unable to open '.$file.' for writing');
     for (my $i=0;$i<scalar(@$structure);$i++) {
         my $line = $structure->[$i];
         chomp($line);
@@ -519,7 +519,7 @@ sub update_rhn_source {
     }
     my $result = 0;
     my $fh;
-    if (open($fh,"<$file")) {
+    if (open($fh,'<',$file)) {
         my $total = 0;
         my %found;
         foreach my $item (keys(%{$rhn_items})) {
@@ -541,7 +541,7 @@ sub update_rhn_source {
         }
         close($fh);
         if ($total < 2) {
-            if (open($fh,">>$file")) {
+            if (open($fh,'>>',$file)) {
                 foreach my $item (keys(%{$rhn_items})) {
                     unless ($found{$item}) {
                         if (ref($rhn_items->{$item}) eq 'HASH') {
@@ -596,7 +596,7 @@ sub update_apt_source {
     }
     my $result = 0;
     my $fh;
-    if (open($fh,"<$file")) {
+    if (open($fh,'<',$file)) {
         my $found = 0;
         my $pattern = $deb_row->{regexp};
         while(<$fh>) {
@@ -607,7 +607,7 @@ sub update_apt_source {
         }
         close($fh);
         if (!$found) {
-            if (open($fh,">>$file")) {
+            if (open($fh,'>>',$file)) {
                 print $fh "\n".$deb_row->{text}."\n";
                 close($fh);
                 $result = 1;