Cronjob to help keep track of water

crontab

0 9-19 * * 1-5 ${HOME}/.local/bin/drink-water.sh

drink-water.sh

#!/bin/bash - 
#===============================================================================
#
#          FILE: drink-water.sh
# 
#         USAGE: ./drink-water.sh 
# 
#   DESCRIPTION: Make sure to drink enough water
# 
#       OPTIONS: ---
#  REQUIREMENTS: ---
#          BUGS: ---
#         NOTES: ---
#        AUTHOR: Nick Henry (NSH), hnicholas@vmware.com
#  ORGANIZATION: VMware, Inc.
#       CREATED: 2023-02-08 17:48:57
#      REVISION:  ---
#===============================================================================

set -o nounset                                  # treat unset variables as errors

#===============================================================================
#   GLOBAL DECLARATIONS
#===============================================================================
declare -rx SCRIPT=${0##*/}                     # the name of this script
declare -rx TIMEOUT=300                         # seconds alert is shown

declare -rx OZ_WATER=$(( 32 * ( $(date +%H) - 8 ) ))

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

#===============================================================================
#   MAIN SCRIPT
#===============================================================================
/opt/homebrew/bin/alerter \
  -title Water \
  -group water \
  -message "By now, you should have drinken ${OZ_WATER}oz of water" \
  -timeout ${TIMEOUT}
> /dev/null 2>&1

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