线上缓存流经常由于网络问题导致数据同步不完成，需要手动一条条下载，现在通过脚本来完成下载，但需要传入三个参数即：频道名，开始时间，结束时间。
#!/bin/bash
#Author: hudaohng
#Date:
#Version:1.2
read -p "please input English Channel Name:" channel
read -p "please input startTime:'1970-01-01 00:00:00' " Starttime
read -p "please input endTime:'1970-01-01 00:00:00' " Endtime
starttime=`date --date="$Starttime" +%s 2> /dev/null`
endtime=`date --date="$Endtime" +%s 2>/dev/null`
echo $channel,$starttime,$endtime
Year=`date --date="$Starttime" +%Y 2> /dev/null`
Month=`date --date="$Starttime" +%m 2> /dev/null`
Date=`date --date="$Starttime" +%d 2> /dev/null`
basicDir=/opt/online01/stream
codetype250=2500000
codetype150=1500000
#codetype256=256000
codetype512=512000
#codetype800=800000
TmpM3u8File=/tmp/stream.m3u8
links -dump "http://xxx.lives.lonining.com/approve/vod?type=ipsd&channel=$channel&starttime=$starttime&endtime=$endtime" | grep http > $TmpM3u8File || {
echo "please check Channel:$channel,Check Time:$Starttime and $Endtime"
exit 3
}
stream () {
for file in `cat $TmpM3u8File`
do
localfile=$basicDir/`echo $file | awk -F stream/ '{print $2}'`
if [ -e $localfile ];then
echo $localfile already exists
else
if [ -e $basicDir/$1/$channel/$Year/$Month/$Date ];then
wget $file -P $basicDir/$1/$channel/$Year/$Month/$Date &> /dev/null && echo "$file down sucessfully"
else
echo $basicDir/$1/$channel/$Year/$Month/$Date not exists && exit 12
fi
fi
done
}
RETVAL=`expr $channel : .*HD\$`
if [ $RETVAL -ne 0 ];then
stream $codetype250
else
stream $codetype150
fi仅作为自己学习参数