Index: trunk/ippScripts/scripts/detrend_process_exp.pl
===================================================================
--- trunk/ippScripts/scripts/detrend_process_exp.pl	(revision 12079)
+++ trunk/ippScripts/scripts/detrend_process_exp.pl	(revision 12421)
@@ -113,13 +113,18 @@
 }
 
+# Set output directory
 if (defined $workdir) {
     $workdir = $ipprc->convert_filename_absolute( $workdir );
+    my $subdir = "$camera.$det_type.$det_id";
+    $workdir = File::Spec->catdir( $workdir, $subdir, $exp_tag );
 } else {
-    my $example = ${$files}[0]->{path_base}; # Example original root name
+    my $example = $ipprc->convert_filename_absolute( ${$files}[0]->{path_base} ); # Example original name
     my ($vol, $dir, $file) = File::Spec->splitpath( $example );
     $workdir = $dir;
 }
+system "mkdir -p $workdir" unless -d $workdir;
+
 my $outputFile = $exp_tag . '.detproc.' . $det_id; # Root name
-my $outputRoot = File::Spec->catfile( $workdir, $exp_tag, $outputFile );
+my $outputRoot = File::Spec->catfile( $workdir, $outputFile );
 
 # output files: