#!/bin/bash                                                                                            # USAGE ./script.sh $start_pos
from=$1
to=$(($from + 1000))

for ((t= $(($from));t<$to;t++)) ; do
    echo -ne "$t "
    curl -s http://c.brightcove.com/services/mobile/streaming/index/rendition.m3u8?assetId=28660`printf %05d $t`001 | grep hubworld -q
    if [ "$?" == "0" ] ; then
        echo 28660`printf %05d $t`001 >> log_ok
        echo 28660`printf %05d $t`001 ok
    else
        echo fail
    fi
done