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| − | == Overview ==
| + | #REDIRECT [[Problem Format]] |
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| − | An Input format validator is a program that tests input data for correctness.
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| − | 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 below.
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| − | == Invocation ==
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| − | When invoked the input format validator will get the input file on stdin.
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| − | The validator should be possible to use as follows on the command line:
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| − | ./validator < inputfile
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| − | == Output ==
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| − | 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.
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| − | == Exit codes ==
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| − | The input format validator must exit with code 42 on successful validation. Any other exit code is an error.
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