#!/bin/sh -efu

if [ $# -ne 1 ]; then
    echo "Usage: ${0##*/} <filter-name>" >&2
    exit 1
fi

LOGDIR="/var/log/nagwad/$1"

NAME="$([ ! -d "$LOGDIR" ] || ls -b "$LOGDIR" | head -1)"
if [ -z "$NAME" ]; then
    echo "OK"
else
    echo "ERROR $(head -1 "$LOGDIR/$NAME")"
    exit 2
fi
