strip c comments entirely on upload to reader

mvs_job.py

@@ -37,8 +37,12 @@ def create_jcl_payload(local_file, dataset_name, member_name):
     # Append control statement, source lines, end, and terminator (no leading space on ./)
     jcl += f"./ ADD NAME={member_name}\n"
     for line in sysin:
-        line = line.rstrip('\n')[:80]
-        jcl += line.ljust(80) + "\n"
+        line = line.rstrip('\n')
+        stripped = line.lstrip()
+        # Skip comment lines that would be interpreted as JCL
+        if stripped.startswith('//') or stripped.startswith('/*'):
+            continue
+        jcl += line[:80].ljust(80) + "\n"
     jcl += "./ ENDUP\n"
     jcl += "/*\n"
     
@@ -54,7 +58,6 @@ def upload_source(local_file, dataset_name, member_name, mvshost=MVSHOST):
     payload = create_jcl_payload(local_file, dataset_name, member_name)
     
     # Write JCL to temporary file and submit via netcat
-    
     with tempfile.NamedTemporaryFile(mode='w', delete=False, suffix='.jcl') as tmpfile:
         tmpfile.write(payload)
         tmpfile.flush()