#!/bin/sh

F="$(for i in $(find /var/log -maxdepth 1 -name "wtmp*"|sort -h);do echo -n "-f $i ";done)"
cat << EOF
-----
Alle Tage mit lokalen Logins
User: ${1:-$USER}
Host: $(hostname)
Files: $F
-----

EOF
last -w -F -a $F |grep -v "pts/\|reboot\|wtmp"|awk '$1 == u {print $4,$5,$7}' u=${1:-$USER}|uniq