fiarith(1) on Linux
The text c4d8ede34ec7, as Debian 10 (Buster), Debian 9 (Stretch) shipped it.
evaluating arithmetic expressions on images as operands
Flags it lists
-
--apply-mask -
--bitpix -
--data -
--header -
--help -
--help-long -
--help-mediawiki -
--help-wiki -
--input-mask -
--long-help -
--mediawiki-help -
--output -
--output-mask -
--short-version -
--size -
--version -
--version-short -
--wiki-help -
-D -
-M -
-a -
-b -
-e -
-h -
-o -
-s