bin/clrd


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#!/bin/sh
self=clrd
if [ "$#" -ne 1 ] ; then
    printf >&2 '%s: Need input file\n' "$self"
    exit 2
elif ! [ -t 1 ] ; then
    printf >&2 '%s: stdout not a terminal\n' "$self"
    exit 2
fi
clear
tail -f -- "$@"