ffe is a flat file extractor. It can be used for reading different flat file structures and displaying them in different formats. It is a command line tool developed under GNU/Linux. The main areas of use are; extracting particular fields or records from a flat file; converting data from one format to an other, e.g. from CSV to fixed length; verifying a flat file structure; as a testing tool for flat file development; and displaying flat file content in human readable form.