#!/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"