File Parameters

You can pass files as parameters using prototyped calls to RPG programs and procedures. You can define file parameters for prototypes and procedure interface definitions, using the LIKEFILE keyword. The called program or procedure can perform any operation that is valid on the original file that was used to define the file parameter.

Note:

RPG file parameters are in a form that is not related to the forms used for file parameters in other languages such as C and C++. The file parameters used by RPG are not interchangeable with the file parameters used by other languages; you cannot pass a C file to an RPG procedure that is expecting an RPG file parameter, and you cannot pass an RPG file to a C program.

For an example of a program that passes a file parameter, see Example of passing a file and passing a data structure with the associated variables.

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