spserver.results.file(file="")
Returns a file name in the local working directory for storing results for this execution. If file is "", this returns the results directory, otherwise the file argument is added to the directory to construct a complete file path.
# get file name for whole results directory spserver.results.file()
# get file name for file foo in the results directory spserver.results.file("foo")
# get file name for file foo in subdirectory sub spserver.results.file("sub/foo")