check_etc_aliases

#!/bin/bash
#  This program is free software; you can redistribute it and/or modify
#  it under the terms of the GNU General Public License as published by
#  the Free Software Foundation; either version 2 of the License, or
#  (at your option) any later version.
#  
#  This program is distributed in the hope that it will be useful,
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#  GNU General Public License for more details.
#  
#  You should have received a copy of the GNU General Public License
#  along with this program; if not, write to the Free Software
#  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
#  MA 02110-1301, USA.
# ------------------------------------------------------------------
# [(c) Fede Diaz] [nordri@gmail.com] check_etc_aliases
#          Check if /etc/aliases is newer than /etc/aliases.db
#          0.1
#          November 25 2013
#          
#          $ ./check_etc_aliases
# ------------------------------------------------------------------

PROGNAME=$(basename $0);
ALIASE_PATH="/etc";
DATE_ALIASES=$(/usr/bin/stat -c %Y $ALIASE_PATH/aliases);
DATE_ALIASES_DB=$(/usr/bin/stat -c %Y $ALIASE_PATH/aliases.db);

if [[ $DATE_ALIASES_DB -gt $DATE_ALIASES ]]; then
  echo "OK: aliases.db is newer than aliases";
  exit 0;
else
  echo "CRITICAL: Somebody forgot to exec newaliases";
  exit 2;
fi