#!/bin/sh

if < $# -ne 1 >; then
  echo "Usage: $0 <vimeo_id>"
     exit 1
fi
VIMEO_ID=$1

which wget
if < $? -eq 0 >; then
        echo "Using wget..."
 GET_CMD="wget -O -"
else
   which curl
   if < $? -eq 0 >; then
           echo "Using curl..."
         GET_CMD="curl -L"
    else
         echo "Could not find wget or curl"
           exit 2
      fi
fi

VIDEO_XML=`${GET_CMD} http://www.vimeo.com/moogaloop/load/clip:${VIMEO_ID}`

REQUEST_SIGNATURE=`echo $VIDEO_XML | sed -e 's/^.*<request_signature>\(<^<>*\)<.*$/\1/g'`
REQUEST_SIGNATURE_EXPIRES=`echo $VIDEO_XML | sed -e 's/^.*<request_signature_expires>\(<^<>*\)<.*$/\1/g'`

echo "Downloading video..."
${GET_CMD} "http://www.vimeo.com/moogaloop/play/clip:${VIMEO_ID}/${REQUEST_SIGNATURE}/${REQUEST_SIGNATURE_EXPIRES}/?q=sd" > ${VIMEO_ID}.flv

echo "Video saved to ${VIMEO_ID}.flv"