Generic-group-me.bash
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#!/bin/bash ### # $1 = Date (Events must be specified in UTC) # $2 = Event # $3 = BOTID ### if [ "$#" -ne 3 ]; then echo "Illegal number of parameters" echo " $0 <date> <event text> <botid>" echo " date format = 2018-09-22 15:00:00" exit fi GROUPME_URL="https://api.groupme.com/v3/bots/post" NOW_SECS=$((10#$(date +%s))) DATE="$1" EVENT="$2" BOTID="$3" DATE_SECS=$((10#$(date -d "${DATE}" +%s))) DAYS=$(((DATE_SECS-NOW_SECS)/86400)) if [ $DAYS -lt "0" ]; then exit fi if [ $DAYS -lt "3" ]; then DELTA_HR=$(((DATE_SECS-NOW_SECS)/3600 )) if [ $DELTA_HR -ge "0" ]; then MESSAGE="$DELTA_HR hours till ${EVENT}" else exit fi else MESSAGE="$DAYS days till ${EVENT}" fi # Optional log to syslog #logger -t groupme "{\"bot_id\": \"$BOTID\", \"text\": \"$MESSAGE\"}" curl -s -X POST -d "{\"bot_id\": \"$BOTID\", \"text\": \"$MESSAGE\"}" $GROUPME_URL >/dev/null #logger -t groupme "api.groupme.com returns $?"