ScanDir: the directory where the output files are written, 4.1
p99/door/haspp99.01 : senv ScanDir /gpfs/current/raw
ScanFile: The prefix and the extension of the output file name, 4.1
p99/door/haspp99.01 : senv ScanFile FirstTest.fio p99/door/haspp99.01 : senv ScanFile "['FirstTest.fio', 'FirstTest.nxs']"
ScanID: a number which is incremented for each scan, part of the output file name, 3.5