set -o nounset                                  # treat unset variables as errors

#===============================================================================
#   GLOBAL DECLARATIONS
#===============================================================================
declare -rx SCRIPT=${0##*/}                     # the name of this script
declare -rx mkdir='/bin/mkdir'                  # the mkdir(1) command

#===============================================================================
#   SANITY CHECKS
#===============================================================================
if [ -z "$BASH" ] ; then
	printf "$SCRIPT:$LINENO: run this script with the BASH shell\n" >&2
	exit 192
fi

if [ ! -x "$mkdir" ] ; then
	printf "$SCRIPT:$LINENO: command '$mkdir' not available - aborting\n" >&2
	exit 192
fi

#===============================================================================
#   MAIN SCRIPT
#===============================================================================

#===============================================================================
#   STATISTICS / CLEANUP
#===============================================================================
exit 0