File library/demos/hello from the latest check-in

#!/bin/sh
# the next line restarts using wish \
exec cwish "$0" "$@"

# hello --
# Simple Tk script to create a button that prints "Hello, world".
# Click on the button to terminate the program.
#
# @(#) hello 1.3 95/05/26 16:20:52
# 
# The first line below creates the button, and the second line
# asks the packer to shrink-wrap the application's main window
# around the button.

button .hello -text "Hello, world" -command {
    puts stdout "Hello, world"; destroy .
}
pack .hello
focus .hello