). The syntax is written on the screen when a script is executed without any command line arguments. More extensive information is written upon request from the user, e.g.:

contour.sh --help

With the exception of the multi-plot scripts, all scripts produce an eps file and a png file. With a little extra effort, the user may alter some aspects of the depictions, see the item below. Furthermore, all scripts may be run with an option set to a value that causes the ncl script to be retained (the ncl script will generally be deleted). This is typically done when a flag is set by changing the sign of a positive command line option, see the syntax for each script for details. A user with knowlegde of ncl may then rewrite the ncl script in order to adjust the output.

Can the shell scripts be used with no knowledge of NCL?

with no knowledge of ncl, by copying the file