Index: trunk/tools/bills/concatsmf
===================================================================
--- trunk/tools/bills/concatsmf	(revision 38860)
+++ trunk/tools/bills/concatsmf	(revision 39002)
@@ -36,5 +36,8 @@
 
 # TODO: make this an option
-my $stiltsJar = '/home/panstarrs/bills/jars/stilts.jar';
+my $jardir = $ENV{JARDIR};
+$jardir = '/home/panstarrs/bills/jars' unless $jardir;
+
+my $stiltsJar = "$jardir/stilts.jar";
 
 my $stilts="java -jar $stiltsJar";
@@ -59,5 +62,5 @@
 
 if ($test_smf) {
-    # Test smf created by the ippToPsps test suite
+    # Input is a test smf created by the ippToPsps test suite
     # file name format is 'test.$exp_id.smf"
     # There is only a single psf extension for chipnum zero
@@ -67,5 +70,5 @@
 }
 
-# gpc1 smf
+# assuming a gpc1 smf
 
 ($exp_name, $exp_id, undef, $cam_id) = split '\.', $infilename;