commitid.scad.pl: refactor gentextmodule_plusq as prep for T (three line)

diff --git a/commitid.scad.pl b/commitid.scad.pl
index c09ce6ab4f635c64a7a0f33b074aee0c525330c0..dc589fe3eb8cd334d8d896c363232973c64a58e2 100755 (executable)
--- a/commitid.scad.pl
+++ b/commitid.scad.pl
@@ -269,16 +269,21 @@ sub ljustt ($$$) { # always includes $suffix
     return sprintf "%-${sz}.${sz}s%s", $whole, $suffix;
 }
 
+sub gentextmodule_q ($$$) {
+    my ($form, $s, $lines) = @_;
+    $gtm_demo_j++;
+    my $l = length $s;
+    return if $l % $lines;
+    my $e = $l/$lines;
+    return if $e < 2;
+    $gtm_demo_j--;
+    gentextmodule($form, $s =~ m/.{$e}/g);
+}
+
 sub gentextmodule_plusq ($$) {
     my ($form, $s) = @_;
-    my $l = length $s;
     gentextmodule($form, $s);
-    if (!($l & 1) && $l>=4) {
-       my $e = $l/2;
-       gentextmodule("${form}S", $s =~ m/.{$e}/g);
-    } else {
-       $gtm_demo_j++;
-    }
+    gentextmodule_q("${form}S", $s, 2);
 }
 
 our @gcmd;