delete the R object

[ikiwiki_plugins.git] / sweavealike.pm

diff --git a/sweavealike.pm b/sweavealike.pm
index 16713a0092c64e57b0447872612caf093acd2c07..96bb5564c8aaceef08337a911792503759b7dfca 100644 (file)
--- a/sweavealike.pm
+++ b/sweavealike.pm
@@ -124,7 +124,7 @@ sub preprocess {
        error("There wasn't any R code supplied");
     }
 
-    my $image_loc
+    my $image_loc = '';
     if (exists $param{fig}) {
        $param{width} = '400' unless exists $param{width} and defined $param{width};
        $param{height} = '400' unless exists $param{height} and defined $param{height};
@@ -176,7 +176,7 @@ sub preprocess {
     }
     if (not exists $param{results} or
        (defined $param{results} and
-        $param{results} !~ /^(hide|false)$/i;)) {
+        $param{results} !~ /^(hide|false)$/i)) {
        $output .= $code_result;
     }
     if (exists $param{echo} or
@@ -204,12 +204,12 @@ sub savestate {
     # make sure we never try to save an R process
     for my $page (keys %pagestate) {
        next unless exists $pagestate{$page}{$id};
-       next unless ;
        if (exists $pagestate{$page}{$id}{R}) {
            if (defined $pagestate{$page}{$id}{R}
                and $pagestate{$page}{$id}{R}->is_started()) {
                $pagestate{$page}{$id}{R}->stop;
            }
+           delete $pagestate{$page}{$id}{R};
        }
        if (exists $pagestate{$page}{$id}{fignum}) {
            delete $pagestate{$page}{$id}{fignum}