Add require statement
Transform TRUE or FALSE value for 'lxtop' to string
Transform TRUE or FALSE value for 'lxsfc' to string
Correct the name of the output file
Add whitespace to "! END !" statements in input file
Remove hardcoded values from input file
Remove statements that provide NA values for certain objects
Change NULL values for certain arguments to NA values
Open conditional structure to get values from SURF.DAT file
Generate vector list of all SURF.DAT files
Choose the first SURF.DAT file of the set
Obtain several lines from the header portion of the SURF.DAT file
Read in the time values for each time object