Methods to read files on the FileSystem
true if the file doesn't exist
true if the directory doesn't exist
true if the file exists
true if the directory exists
the list of file paths accessible from dir
filter files according to a regex pattern
the regular expression equivalent to a glob pattern (see the specs for Fragments)
the files directly accessible from a directory
the files accessible recursively from a directory
the MD5 hash of a file
succeeds if the file is a directory
succeeds if the file exists
succeeds if the file is not a directory
read the content of a file as an Array of Bytes
the content of a file encoded as UTF8
the content of a file with a specific codec
the content of a file as UTF-8 lines