This file is indexed.

/usr/lib/x86_64-linux-gnu/sshg-logtail is in sshguard 1.7.1-1.

This file is owned by root:root, with mode 0o755.

The actual contents of the file can be viewed below.

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#!/bin/sh
# sshg-logtail -- poll from the ends of log files using `tail`
# This file is part of SSHGuard.

tailF="tail -F -n 0 $@"
tailf="tail -f -n 0 $@"

fallback() {
    eval $tailF 2>/dev/null || exec $tailf
}

case `uname` in
    Darwin|FreeBSD|Linux|NetBSD)
        exec $tailF;;
    OpenBSD)
        exec $tailf;;
    *)
        fallback;;
esac