RXS_getFileSize()

This subprocedure will allow the programmer to obtain the size of a file in the IFS in bytes.

Subprocedure Prototype

`D RXS_getFileSize... D pr 10i 0`	Retrieves the size of the specified IFS file, in bytes, as an integer.
`D pFile value like(RXS_FilePath)`	The qualified name of the IFS file which is being queried. Example: `/myFolder/myFile.xml`