By default, oracdisp manipulates a file called disp.dat in the ORAC_DATA_OUT directory. Do not modify the name of this file for use with ORAC-DR (since ORAC-DR is expecting a file called disp.dat in ORAC_DATA_OUT).
If ORAC_DATA_OUT is not set, and no overrides provided on the
command-line, the program will try to find disp.dat in the current
ORAC-DR: Overview and General Introduction