http://www.purl.org/tcl/home/man/tcl8.4/TkCmd/getOpenFile.htm
Note: Unlike most Tk widgets, this widget's name (getOpenFile) is not the same as its creation command (tk_getOpenFile).
tkfbox [L1 ] is a nifty little portable bundle for extending get{Open,Save}File capabilities.
This grabbed my attention because of my recent TIP regarding sub-classing the file dialogs on UNIX (well, non-Windows platforms). But there isn't enough documentation to tell what the benefits of this file are. -- CLN 2001-10-19
Tk syntax help - Arts and crafts of Tcl-Tk programming - Category Command