/usr/share/gretl/scripts/greene22_2.inp is in gretl-common 2016a-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 | # Fair's extra-marital affairs data
open greene22_2.gdt
# initial OLS
ols Y 0 Z2 Z3 Z5 Z7 Z8
# Tobit version
tobit Y 0 Z2 Z3 Z5 Z7 Z8
# Probit version with dummified dependent variable
genr Ydum = Y > 0
probit Ydum 0 Z2 Z3 Z5 Z7 Z8
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