Configuration file
To preset options into mozregression, create a configuration file (.INI formatted). The recommended way to create a configuration file is to use the --write-config command line flag. Then if you want some more customization, edit the file with your text editor.
Location:
$HOME/.mozilla/mozregression/mozregression.cfg
Options available
Each option correspond to its command-line counter part (the long form, but without the first double dashes, --). They are described here.