Add or get a file from the file cache. If the file isn't part of the cache, it will be read from the filesystem. If the file has been read before, the cached file object will be returned
file to load in (or get from) the cache
a FileAndLines object containing a line-by-line representation of the requested file
See Implementation
Add or get a file from the file cache. If the file isn't part of the cache, it will be read from the filesystem. If the file has been read before, the cached file object will be returned