Compare two directories excluding files with a name matching a specified pattern

Compare files, archives, and directories.
More information: <https://diffoscope.org>.
Trick copyright: tl;dr; <https://github.com/tldr-pages/tldr>

diffoscope --exclude {{pattern}} {{path/to/directory1}} {{path/to/directory2}}

click the source code to copy install diffoscope on any operating system with command-not-found.com