Clear the cached calendars for macOS Calendar

clear_cal_cache.sh

#!/bin/sh

# Author: Chad Armstrong
# Date: 29 August 2018
# Description: Clear the cached calendars for macOS Calendar

# References:
# https://michaelkummer.com/technology/fix-calendar-cant-save-event-x-exchange/
# https://wilkinsit.ca/mac-osx/clear-calendar-cache-mac-os/
# https://stackoverflow.com/a/3510850/955122
# https://alvinalexander.com/blog/post/mac-os-x/applescript-delay-command

# Quit the Calendar and Itsycal apps
osascript -e "tell application \"Calendar\"" -e "quit" -e "end tell"
osascript -e "tell application \"Itsycal\"" -e "quit" -e "end tell"

# Delete all of the Calendar Cache files
rm -rfv ~/Library/Calendars/Calendar\ Cache*

# Kill all processes with the word Calendar in the name (e.g. Calendar, CalendarAgent)
kill $(ps auxc | grep Calendar | awk '{print $2}')

# Restart the Calendar app
osascript -e "tell application \"Calendar\"" -e "activate" -e "end tell"

# Reopen Itsycal after a delay to give Calendar some time to refresh itself
osascript -e "tell application \"Itsycal\"" -e "delay 30" -e "activate" -e "end tell"