Simple bash script to quickly enable/disable macOS crash reporting dialogs. Tested on macOS Sierra.

crashdialog

#!/bin/bash
# Author: Jordan Becker (https://becker.io/)

if [ $# -lt 1 ]; then
	echo "Usage: $0 (on|off|read)"
	echo "Lets you quickly enable or disable macOS crash reporting dialogs. Useful for betas ;)"
	exit 1
fi

case "$1" in
	"on")
	defaults write com.apple.CrashReporter DialogType crashreport
	echo "Successfully enabled macOS crash reporting dialogs."
	exit 0
	;;

	"off")
	defaults write com.apple.CrashReporter DialogType none
	echo "Successfully disabled macOS crash reporting dialogs."
	exit 0
	;;

	"read")
	echo "Current dialog type: $(defaults read com.apple.CrashReporter DialogType)"
	exit 0
	;;

	*)
	echo "Unrecognized parameter '$1'."
	echo "Usage: $0 (on|off|read)"
	echo "Current dialog type: $(defaults read com.apple.CrashReporter DialogType)"
	exit 0
	;;
esac