Purpose: To get [TclX] file functionality into the core. The -keepalive option should be added to [fconfigure] for [socket]s A new command [pipe] should be added to provide TclX pipe functionality. '''Changes to tcl's file command''' A new [file] type result, '''tty''', will be added. a new [file] option -fileid to allow an open file to be processed in place of the file name argument. (This may not be possible under windows.) * '''file truncate''' for tclx's [ftruncate] * '''file lock''' for tclx's [flock] * '''file unlock''' for tclx's [funlock] * '''file dup''' for tclx's [dup] ----