Downloads webcam images periodically

scrape.sh

#!/bin/bash

if [ $# -ne 2 ];
then
        echo "Usage: $0 <url> <refresh period>"
        exit 1;
fi


URL="$1"
INTERVAL="$2"

while [ 1 ]; 
do
        name=$(date +%Y%m%d-%H%M-%S).jpg
        curl -s "$URL" -o "$name"
        if [ $? -eq 0 ];
        then
                echo "downloaded to $name"
        else
                echo "curl failed";
                exit 2;
        fi
        sleep $INTERVAL
done