4.3BSD-Tahoe/usr/adm/monthly

#! /bin/sh -
host=`hostname | sed -e 's/\..*//'`
echo "Subject: $host monthly run output"

# echo ""
# echo "Doing login accounting:"
# /etc/ac -p | sort -nr +1

echo ""
echo "Rotating wtmp files:"
cd /usr/adm
if [ -f wtmp.5 ]; then mv -f wtmp.5 wtmp.6; fi
if [ -f wtmp.4 ]; then mv -f wtmp.4 wtmp.5; fi
if [ -f wtmp.3 ]; then mv -f wtmp.3 wtmp.4; fi
if [ -f wtmp.2 ]; then mv -f wtmp.2 wtmp.3; fi
if [ -f wtmp.1 ]; then mv -f wtmp.1 wtmp.2; fi
if [ -f wtmp.0 ]; then mv -f wtmp.0 wtmp.1; fi
mv -f wtmp   wtmp.0
cp /dev/null wtmp