Simple vpn status zsh function

vpn_status

#!/usr/local/bin/zsh

# Check PID file and display status before prompt
# Example path could be /Users/mike/.zprezto/modules/prompt/functions/vpn_status
# Usage...customize zsh theme (that has prezto module support)...
# e.g. ~/.zprezto/modules/prompt/external/statusline/prezto/prompt_statusline_setup
# Add this:
#  autoload -Uz vpn_status
#  add-zsh-hook precmd vpn_status

VPN_PID=/var/run/vpnc/vpnc.pid

# Check for OpenConnect pid
# (pgrep returns 0 for found, 1 for not found)
pgrep -f $VPN_PID

if [[ $? -eq 0 ]]; then
  # Connected to VPN
  echo -e '\U0001f4f6 \U0002705 \n'
else
  # Disconnected
  echo -e '\U0001f4f6 \U00026D4 \n'
fi