'''[http://extral.sourceforge.net/%|%Extral]''', by [Peter De Rijk], and written in [C] and [Tcl], provides commands for applicative arithmetic, date/time handling, [list] manipulation, maps ([dict] treatment of lists), [string] manipulation, [array] manipulation, map, interpreter atexit handling, tempfile, type validation, [file] manipulation, [Creating Temporary Files%|%temporary file handling], struct, etc. ** Attributes ** current version: 2.1.0 release date: 2012-02-12 <> array | bgexec | list | math | string