Implemented_input_format_validator.mw

== Overview ==

An Input format validator is a program that tests the input data for correctness.  

A validator program must be an application (executable or interpreted) capable of being invoked with a command line call. The details of this invocation are described in Section 2 [[#Invocation|Invocation]].

== Invocation ==
The CCS will invoke the validator and passing it the input file on stdin.

The usage of the validator is as follows:

  ./validator < inputfile

== Output ==
The input format validator may output debug information on stdout and stderr. This information may be displayed to the user upon invocation of the validator.

== Exit codes ==
The input format validator must exit with code 42 on successful validation. Any other exit code is an error.