#!/bin/sh

set -e
set -u

if [ $# -gt 0 ]; then
  interval="$1"; shift;
else
  interval="5";
fi;

watch ()
{
  while :; do
    echo stats;
    sleep "${interval}";
    echo "----------------------------------------" >&2;
  done | nc localhost 11211 2>&1;
}

if ! watch; then
  echo "Error contacting memcached for stats.";
  exit 1;
fi;