This function appends the directory dir to the set entitypath option if not already present. If prepend is 1, prepends dir to the entitypath path, removing any later occurrence of the directory.

Examples

If you wanted to append entities in the /company/entities subdirectory, so your entities are searched last:

If you wanted to prepend entities in the same /company/entities subdirectory, so your entities are searched first:

If there is an chemin-Arbortext\custom\entities subdirectory at startup, the \custom\entities path is automatically prepended to the entities path. Putting your entity files in the \custom\entities subdirectory makes them automatically available, avoiding manual steps to add them to the path.