diff --git a/autoTest.pl b/autoTest.pl
index c7785a5..58698f0 100755
--- a/autoTest.pl
+++ b/autoTest.pl
@@ -11,6 +11,9 @@ $TIME="time -p";
 $os = `uname`;
 
 $debug=0;
+if ($ARGV[0] eq "--debug") {
+    $debug = 1;
+}
 
 @langs = ("cgcc", "cclang", "asm",
 #	Uncomment for alternat C algorithms      	
@@ -366,7 +369,7 @@ sub checkValid {
 	print "Checking outputed results for validity...\n";
 	local(@res) = `wc primes.*.txt`;
 	local($i);
-	for($i=0; $i < $#res; $i++)	{
+	for($i=0; $i < $#res; $i++) {
 		$arr[$i][0] = `echo \"$res[$i]\" | awk '{print \$2}'`;
 		chomp($arr[$i][0]);
 		chomp($arr[$i][0]);
@@ -379,8 +382,7 @@ sub checkValid {
 	$pt = 0;
 	for($i=0; $i<=$#arr; $i++) {
 		$arr[$i][2] = 0;
-		for($p=0; $p <= $#arr; $p++)
-		{
+		for($p=0; $p <= $#arr; $p++) {
 			if($p==$i) { next; }
 			if($arr[$i][0]  == $arr[$p][0]) { $arr[$i][2]++; }
 		}
@@ -391,8 +393,7 @@ sub checkValid {
 	
 	if($pt != $#arr ) {
 		print "Differences detected in ".(($#arr+1)-($pt+1)) ." output files:\n";
-		for($i=0; $i<= $#arr; $i++)
-		{
+		for($i=0; $i<= $#arr; $i++) {
 			if($arr[$i][2] < $pt || $pt == 0) {
 				print "\t". $arr[$i][1]."\n";
 			}
@@ -435,10 +436,19 @@ sub parseTimes {
 }
 
 sub getByLocate {
+    my $locatep = `locate -v locate`;
+    if ($locatep eq "") {
+        return "";
+    }
+
 	local($where) = `locate $_[0] | grep bin | grep -v cgi | grep -v port | grep -v src`;
 	($where) = $where =~ /(.*\/$_[0])\n.*$/;
 	#print "WHERE: '$where'\n";
-	if($where eq "") { return ""; } else { return $where; }
+	if($where eq "") {
+        return "";
+    } else {
+        return $where;
+    }
 }
 	
 
@@ -451,7 +461,7 @@ sub getInterp {
 		else {
             return "/usr/bin/env $_[0]";
 		}
-	} else 	{
+	} else {
 		local($t1, $t2) = split(":", $where);
 		chomp($t2);
 		if($t2 ne "") {
@@ -462,6 +472,52 @@ sub getInterp {
 	}
 }
 
+sub isTestable {
+    my $l = $_[0];
+    my $compileable = 1;
+    my $interpB = 0;
+    my $testable = 1;
+    my $cp;
+    if( $data{$l}{"compiler0"}) {
+        $compileable = 0;
+
+        my $ccount = 1;
+        if($data{$l}{'compiler'}) {
+            $ccount = $data{$l}{'compiler'};
+        }
+
+        for($cp = 0; $cp < $ccount; $cp++) {
+
+            if($data{$l}{"compiler$cp"} eq "interpB") {
+                $interpB = 1;
+                $compileable = 1;
+                last;
+            }
+            $comp = getInterp($data{$l}{"compiler$cp"});
+            if($comp ne "") {
+                $compileable = 1;
+                last;
+            }
+        }
+    }
+
+    if ( $data{$l}{"interp0"} or $interpB) {
+        $testable = 0;
+        my $interpc = 1;
+        if($data{$l}{'interp'}) {
+            $interpc = $data{$l}{'interp'};
+        }
+        for($cp = 0 ; $cp < $interpc; $cp++) {
+            my $interp = getInterp($data{$l}{"interp$cp"});
+            if ($interp ne "") {
+                $testable = 1;
+                last;
+            }
+        }
+    }
+    return $testable && $compileable
+}
+
 # HEADER
 
 open(results, ">".$RESULTS) || die("Cannot open $RESULTS\n");
@@ -492,10 +548,18 @@ foreach $l (@langs) {
 	if($data{$l}{'osreprompt'} && $os =~ $data{$l}{'oswarn'}) {
 		$data{$l}{'warn'} = $data{$l}{'oswarnmsg'};
 	}
-	
-	if($yesall == 0 || $data{$l}{'reprompt'}) {
+
+    # Determine if testable
+    $testable = isTestable($l);
+    if (! $testable) {
+        print "Skipping ". $data{$l}{"name"} . ": Test appears unrunnable, could not find language in environment!\n"
+    }
+    $query = "";
+	if($testable && ($yesall == 0 || $data{$l}{'reprompt'})) {
 		print "($item/$llen) Run ".$data{$l}{"name"}." test\n";
-		if($data{$l}{'warn'} && !$data{$l}{"reprompt"}) { print "WARNING: $data{$l}{'warn'}\n";}
+		if($data{$l}{'warn'} && !$data{$l}{"reprompt"}) {
+            print "WARNING: $data{$l}{'warn'}\n";
+        }
 		
 		if($data{$l}{'reprompt'}) { 
 			print "RE-PROMPT: WARNING: ";
@@ -514,9 +578,11 @@ foreach $l (@langs) {
 	if($query eq "a" || $query eq "A") {
 		$yesall = 1;
 	}
-	if(($yesall == 1 && !$data{$l}{'reprompt'}) || $query eq "y"  || $query eq "Y" ) {
+	if($testable && (($yesall == 1 && !$data{$l}{'reprompt'}) || $query eq "y"  || $query eq "Y" )) {
 		if($yesall == 1) {
-			if($query eq "n" || $query eq "N") { $query = "y";}
+			if($query eq "n" || $query eq "N") {
+                $query = "y";
+            }
 		}
 		if($query eq "Y") {$query eq "y"; }
 		if($yesall == 1 && $query eq "y" && !$data{$l}{'reprompt'}) {
@@ -531,14 +597,14 @@ foreach $l (@langs) {
 	
 		print results "($item/$llen) ". $data{$l}{"name"}." results:\n";
 		
-		if( $data{$l}{'osfilter'} and $os =~ $data{$l}{'osfilter'})	{
+		if( $data{$l}{'osfilter'} and $os =~ $data{$l}{'osfilter'}) {
 			print "ERROR: This language is flagged as incompatible with this operating system\n\n";
 			print results "ERROR: This language is flagged as incompatible with this operating system\n\n";
 			next;
 		}
 		
 		$cmd="";
-		if( $data{$l}{"compiler0"})	{
+		if( $data{$l}{"compiler0"}) {
 			print "Compiling";
 			print results "Compile";
 			if($l ne "java" && $l ne "m3") {$rcmd = "rm -f $data{$l}{'prog'}";}
@@ -548,15 +614,12 @@ foreach $l (@langs) {
 			$cmd .= "-c \"" .$TIME . " bash -c \\\"";
 			
 			$cp = 0;
-			if(! $data{$l}{'compiler'})
-			{
+			if(! $data{$l}{'compiler'}) {
 				$data{$l}{'compiler'} = 1;
 			}
 				
-				for(; $cp < $data{$l}{'compiler'}; $cp++)
-				{
-					if($data{$l}{"compiler$cp"} eq "interpB")
-					{
+				for(; $cp < $data{$l}{'compiler'}; $cp++) {
+					if($data{$l}{"compiler$cp"} eq "interpB") {
 						$cp = $data{$l}{'compiler'};
 						$interpB = 1;
 						last;
@@ -566,8 +629,7 @@ foreach $l (@langs) {
 				}
 			if($cp == $data{$l}{'compiler'}) {
 				$clist = "";
-				for($p=0;$p<$data{$l}{'compiler'};$p++)
-				{
+				for($p=0;$p<$data{$l}{'compiler'};$p++) {
 					last if($data{$l}{"compiler$p"} eq "interpB");
 					$clist .= "\t\t\t($p) ".  $data{$l}{"compiler$p"}."\n";
 				}