urlfile=waitforsync_urls.txt

while read urlstr
do
# 使用echo去掉首尾空格（注意字符串中间的连续空格会被替换成一个）
 urlstr2=$(echo "$urlstr")
 echo curl "$urlstr2" >> syncrs.txt
 echo. >> syncrs.txt
 \curl -s -k "$urlstr2" >> syncrs.txt
done < $urlfile

function syncn(){
[ "$1" ] && urlfile=$1 || urlfile=/e/FromG/QQFiles/postback0901.txt
# dos2unix ${urlfile}
# above doesn't help with Mac files
while read urlstr
do
# 使用echo去掉首尾空格（注意字符串中间的连续空格会被替换成一个）
 urlstr2=$(echo "$urlstr")
 echo curl "$urlstr2"
 \curl -k -L "$urlstr2"
done < $urlfile
}