runtests: allow creating files without newlines

Closes #5946

diff --git a/tests/runtests.pl b/tests/runtests.pl
index 3985f7fde36e5ffb493ba6bd67262fba065805ef..7bfaab57a9ae3dc5e1f959b310ad8389d5489ad4 100755 (executable)
--- a/tests/runtests.pl
+++ b/tests/runtests.pl
@@ -3753,6 +3753,10 @@ sub singletest {
             subVariables(\$fileContent);
             open(OUTFILE, ">$filename");
             binmode OUTFILE; # for crapage systems, use binary
+            if($fileattr{'nonewline'}) {
+                # cut off the final newline
+                chomp($fileContent);
+            }
             print OUTFILE $fileContent;
             close(OUTFILE);
         }