/usr/share/doc/smartmontools/examples/Example3 is in smartmontools 6.5+svn4324-1.
This file is owned by root:root, with mode 0o755.
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 23 24 25 26 | #! /bin/sh
#
# This is a script from the smartmontools examplescripts/ directory.
# It can be used as an argument to the -M exec Directive in
# /etc/smartd.conf, in a line like
# -m <nomailer> -M exec /path/to/this/file
#
# Please see man 8 smartd or man 5 smartd.conf for further
# information.
#
# $Id: Example3 3958 2014-07-18 19:13:32Z chrfranke $
# Warn all users of a problem
wall <<EOF
Problem detected with disk: $SMARTD_DEVICESTRING
Warning message from smartd is: $SMARTD_MESSAGE
Shutting down machine in 30 seconds...
EOF
# Wait half a minute
sleep 30
# Power down the machine (uncomment the shutdown command if you really
# want to do this!)
# /sbin/shutdown -hf now
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