disable ncl logging

    This will discontinue the logging of ncl commands to the NCL log
    file.  This logging was established earlier in the NCL session
    with the "set ncl logfile" and "enable ncl logging" commands.  To
    determine the name of the log file, use the "show ncl logfile"
    command.

    For example, on OpenVMS:

    NCL>set ncl logfile test
    NCL>enable ncl logging
    NCL>show all
    NCL>disable ncl logging
    NCL>show ncl logfile
    Logfile name is: test
    Logfile is Disabled

    The results will be in the file TEST.NCL.  That file will contain
    the logged NCL command(s), and the output will be commented out.
    You may then reissue the command(s) you logged by:

    NCL>do test.ncl