Setting Output File Name
By default the output file name created used the following format: <OriginalFileName><file number><extension>. For example, if two files are generated as the result of the splitting a file named “EDIData”, the following two files will be created in the output directory:
The format of the output file name can be changed by setting the OutputFilenameFormat and the OutputFilename property.
The output file name will now be Test_1.txt.
The GeneratePseudoRandomNumberInFilename property will generate a unique number for each split file. The unique number is total milliseconds since the last epoch, January 1, 1970.