Tag: tcl

Hello world using tcl/tk presented below may be more clear than oneliner before.

1. create a label named .label1 with hello world text
2. create a button named .button1 with OK text and will do exit when clicked.
3. pack .label1 to make it showed on screen.
4. pack .button1 to make it showed on screen below .label1.

Here is the result.

Done.

Creating classic hello world program using GUI in Tcl/Tk can be done in few lines or may be only a line !

Oneliner can do below.

pack [button .b1 -text “Hello World” -command exit -width 50]

This line can be read : pack a button named .b1 with hello world text and exit command when clicked.

Save it to hello_oneline.tcl then run on command prompt : wish hello_oneline.tcl.

Voila!

Click the button and the window will close.

Bye ..