pop up a dialog box for the user to select a file to save.
SYNOPSIS
tk_getSaveFile ?option value ...?
DESCRIPTION
The procedure tk_getSaveFile pops up a dialog box for the user to select a file to save. The tk_getSaveFile command is usually associated with the Save as command in the File menu. If the user enters a file that already exists, the dialog box prompts the user for confirmation whether the existing file should be overwritten or not.
See also:
Category Dialog - Category Command - Tk syntax help - Arts and Crafts of Tcl-Tk Programming