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[micropolis] / src / tk / library / demos / hello
1 #!/usr/local/bin/wish -f
2 # Simple Tk script to create a button that prints "Hello, world".
3 # Click on the button to terminate the program.
4 #
5 # The first line below creates the button, and the second line
6 # arranges for packer to manage the button's geometry, centering
7 # it in the application's main window.
8
9 button .hello -text "Hello, world" -command {
10 puts stdout "Hello, world"; destroy .
11 }
12 pack append . .hello {top}
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