#!/bin/bash
set -e

WWW_PATH="/cgi-bin/stations"

while getopts ":p:h:" opt; do
  case $opt in
    p)
      WWW_PATH="$OPTARG"
      ;;
    h)
      HOST="$OPTARG"
      ;;
    \?)
      echo "Invalid option: -$OPTARG"
      ;;
  esac
done

OUTPUT="UNKNOWN: Script failed"
EXIT_CODE=3

stations=$(curl -s http://$HOST$WWW_PATH | wc -l)
VALUE="|Stations=$stations"
OUTPUT="OK: $stations Stations"
EXIT_CODE=0

echo "$OUTPUT" "$VALUE"
exit $EXIT_CODE