nipype_cmd: cast string inputs to boolean.

Author: glatard

nipype/utils/nipype_cmd.py

@@ -42,7 +42,11 @@ def run_instance(interface, options):
                     value = float(value)
                 except:
                     pass
-
+                # try to cast string input to boolean 
+                if value == "true" or value == "True":
+                    value = True
+                if value == "false" or value == "False":
+                    value = False
                 try:
                     setattr(interface.inputs, input_name,
                             value)
@@ -69,4 +73,4 @@ def main(argv):
     interface_parser = argparse.ArgumentParser(description="Run %s"%parsed.interface, prog=" ".join([prog] + argv[1:3]))
     interface_parser, interface  = add_options(interface_parser, parsed.module, parsed.interface)
     args = interface_parser.parse_args(args=argv[3:])
-    run_instance(interface, args)
+    run_instance(interface, args)