perl scripts to compare outputs of various versions

[mjc2wsl.git] / lib / compare-w-wt.pl

diff --git a/lib/compare-w-wt.pl b/lib/compare-w-wt.pl
new file mode 100644 (file)
index 0000000..11d4714
--- /dev/null
+++ b/lib/compare-w-wt.pl
@@ -0,0 +1,44 @@
+#!/usr/bin/perl
+#
+# test if the outputs are the same from two versions of
+# WSL programs - the original and the transformation
+
+sub read_file($) {
+  my ($file) = @_;
+  my $in;
+  open($in, $file) or die "Cannot read $file: $!\n";
+  my $data = join("", <$in>);
+  close($in);
+  return($data);
+}
+
+# quit unless we have the correct number of command-line args
+$num_args = $#ARGV + 1;
+if ($num_args != 2) {
+    print "\nUsage: compare-w-wt.pl directory base_filename \n";
+    exit;
+}
+
+$dir=@ARGV[0];
+$base=@ARGV[1];
+
+$outw = read_file("$dir/$base.outwsl");
+$outwt = read_file("$dir/$base.outwslt");
+
+#print "inputs:\n";
+#print "$outm\n--\n$outw\n\n";
+
+#process the WSL output to remove comments
+for ($outw, $outwt) {
+               s/^.*Starting Execution...//s;
+               s/^.*?\n.*?\n//s;
+               s/Execution time:.*//s;
+}
+
+if ($outw eq $outwt) {
+               print "$base - OK\n";
+} else {
+               print "$base - difference detected!:\n";
+               print "$outw###\n--\n$outwt###\n";
+               die();
+}
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