If true, temporary files will not be deleted at the end
of processing. This is useful for debugging, both at the
low level when there is something wrong with the script
itself, but also when you wish to examine the sequence of
calls to findoff and ASTROM, or examine the ASTROM input and
output files.
All the temporary files are created in a temporary directory which is reported during the script's execution.
Type: switch; default: true (but this will change)