add support for not rules

diff --git a/bin/dx-shell b/bin/dx-shell
index b540453..2df61b5 100644 (file)
--- a/bin/dx-shell
+++ b/bin/dx-shell
@@ -59,9 +59,10 @@ sub expand_def {
 }
 
 sub expand_body {
-  my (@body) = @_;
+  my ($body) = @_;
+  die "No body!" unless $body;
   local our @Body_Parts;
-  $tcl->Eval(@body);
+  $tcl->Eval($body);
   return @Body_Parts;
 }
 
@@ -133,6 +134,12 @@ $tcl->CreateCommand(findall => sub {
   return;
 });
 
+$tcl->CreateCommand(not => sub {
+  my (undef, undef, undef, $body) = @_;
+  push our @Body_Parts, [ not => expand_body($body) ];
+  return;
+});
+
 $tcl->CreateCommand(n => \&show);
   
 #$tcl->Eval(q{query D {directory_at D 't'; mode D '0755'; }});