/usr/share/doc/tk8.6-doc/demos/hello is in tk8.6-doc 8.6.6-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 | #!/bin/sh
# the next line restarts using wish \
exec wish8.6 "$0" ${1+"$@"}
# hello --
# Simple Tk script to create a button that prints "Hello, world".
# Click on the button to terminate the program.
package require Tk
# 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
# Local Variables:
# mode: tcl
# End:
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