Index: trunk/pstamp/src/ppstampParseCamera.c
===================================================================
--- trunk/pstamp/src/ppstampParseCamera.c	(revision 33504)
+++ trunk/pstamp/src/ppstampParseCamera.c	(revision 34596)
@@ -120,4 +120,34 @@
     }
 
+    // Set up the input and output sources files if needed
+    if (options->writeCMF) {
+        bool status;
+
+        // see if -sources file was supplied. 
+        // If so define the file.
+        psPtr sourcesFile = psMetadataLookupStr(&status, config->arguments, "SOURCES");
+        if (sourcesFile) {
+            pmFPAfile *sources = pmFPAfileBindFromArgs(&status, input, config, "PPSTAMP.INPUT.SOURCES", "SOURCES");
+            if (!status) {
+                psError(psErrorCodeLast(), false, "Failed to load file definition for PPSTAMP.INPUT.SOURCES");
+                return false;
+            }
+            if (!sources && !astrom) {
+                psError(psErrorCodeLast(), false, "Failed to define input sources file");
+                return false;
+            }
+        } else {
+            psLogMsg ("ppstamp", PS_LOG_INFO, "output sources file requested but no input supplied. Will try the supplied astrometry file.\n");
+        }
+        
+        pmFPAfile *outputSources = NULL;
+        outputSources = pmFPAfileDefineSkycell(config, output->fpa, "PPSTAMP.OUTPUT.SOURCES");
+        if (!outputSources) {
+            psError(psErrorCodeLast(), false, "Failed to define output sources file");
+            return false;
+        }
+        outputSources->save = true;
+    }
+
     pmFPAfile *chipImage = pmFPAfileDefineChipMosaic(config, input->fpa, "PPSTAMP.CHIP");
     if (!chipImage) {