--- loncom/debugging_tools/modify_config_files.pl	2024/07/09 14:18:16	1.26
+++ loncom/debugging_tools/modify_config_files.pl	2024/07/15 15:48:52	1.27
@@ -2,7 +2,7 @@
 #
 # The LearningOnline Network
 #
-# $Id: modify_config_files.pl,v 1.26 2024/07/09 14:18:16 raeburn Exp $
+# $Id: modify_config_files.pl,v 1.27 2024/07/15 15:48:52 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -388,7 +388,15 @@ if ($needs_inputrc_check) {
     if (!-e $bash_www_cnf) {
         system("touch $bash_www_cnf");
         if (open(my $fh,'>',$bash_www_cnf)) {
-            print $fh "set enable-bracketed-paste off\n";
+            print $fh <<'END';
+$if R
+    set enable-bracketed-paste off
+$endif
+
+$if maxima
+    set enable-bracketed-paste off
+$endif
+END
             close($fh);
         } else {
             warn "**** Error: could not open $bash_www_cnf to add 'set enable-bracketed-paste to off'";
@@ -399,15 +407,42 @@ if ($needs_inputrc_check) {
             chown($wwwuid,$wwwgid,$bash_www_cnf);
         }
     } else {
-        my ($bracketed_paste_on,$bracketed_paste_off,@preserve);
+        my (%bracketed_paste_on,%bracketed_paste_off,@preserve,$condition);
+        $condition = '';
         if (open(my $fh,'<',$bash_www_cnf)) {
             while (my $line=<$fh>) {
                 chomp($line);
+                if ($line =~ /^\$if\s+(\w+)\s*$/) {
+                    if ($1 eq 'R') { 
+                        $condition = 'r';
+                    } elsif ($1 eq 'maxima') {
+                        $condition = 'maxima';
+                    } else {
+                        $condition = 'other';
+                    }
+                } elsif ($line =~ /^\$endif\s*$/) {
+                    $condition = '';
+                }
                 if ($line =~ /^\s*set\s+enable\-bracketed\-paste\s+(off|on)\s*$/) {
                     if ($1 eq 'off') {
-                        $bracketed_paste_off = 1;
+                        if ($condition ne '') {
+                            $bracketed_paste_off{$condition} = 1;
+                        } else {
+                            $bracketed_paste_off{all} = 1;
+                        }
+                        push(@preserve,$line);
                     } else {
-                        $bracketed_paste_on = 1;
+                        if ($condition ne '') {
+                            $bracketed_paste_on{$condition} = 1;
+                            if (($condition eq 'r') || ($condition eq 'maxima')) {
+                                push(@preserve,'    set enable-bracketed-paste off');
+                            } else {
+                                push(@preserve,$line); 
+                            }
+                        } else {
+                            $bracketed_paste_on{all} = 1;
+                            push(@preserve,$line);
+                        }
                     }
                 } else {
                     push(@preserve,$line);
@@ -415,13 +450,38 @@ if ($needs_inputrc_check) {
             }
             close($fh);
         }
-        if ($bracketed_paste_on || !$bracketed_paste_off) {
+        if (($bracketed_paste_on{r} || $bracketed_paste_on{maxima}) ||
+            (!exists($bracketed_paste_off{r}) && !exists($bracketed_paste_on{r}) &&
+             !exists($bracketed_paste_off{maxima}) && !exists($bracketed_paste_on{maxima}))) {
             if (open(my $fh,'>',$bash_www_cnf)) {
-                print $fh "set enable-bracketed-paste off\n";
                 if (@preserve) {
                     foreach my $entry (@preserve) {
                         print $fh "$entry\n";
                     }
+                    if (!exists($bracketed_paste_off{r}) && !exists($bracketed_paste_on{r})) {
+print $fh <<'END';
+$if R
+    set enable-bracketed-paste off
+$endif
+END
+                    }
+                    if (!exists($bracketed_paste_off{r}) && !exists($bracketed_paste_on{r})) {
+print $fh <<'END';
+$if maxima
+    set enable-bracketed-paste off
+$endif
+END
+                    }
+                } else {
+print $fh <<'END';
+$if R
+    set enable-bracketed-paste off
+$endif
+
+$if maxima
+    set enable-bracketed-paste off
+$endif
+END
                 }
                 close($fh);
             } else {