| 摘要 |
PROBLEM TO BE SOLVED: To make efficiently performable the check processing of a command parameter with high quality without complicating the check processing of the command parameter even when the command parameter is added or corrected. SOLUTION: Concerning this checking method, a parameter extracting means 21 segments plural parameters with a space as a partition from a parameter stream designated to a command inputted to an input device 1 and stores them in an input parameter storage means 22 in the format of a bit stream turning on bits respectively corresponding to the plural parameters and it is checked whether all the bit streams coincident with the bit stream stored in the input parameter storage means 22 are stored in a combination storage means 24 for previously storing the combination pattern of parameters as bit streams or not. When the coincident bit stream is found out, it is judged that the sentence structure of the designated parameter is correct, it is reported to a command executing means 25 and the command is executed. When the coincident bit stream can not be found out, it is judged that the sentence structure of the designated parameter is wrong, and it is outputted to an output device 3.
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