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post方法发送注册信息 curl -d "username=json&passwork=abcdefgh" http://www.wordwide.com/regist 优先通过ipv4解析目标网址，超时时间设为3秒 curl --connect-timeout 3 -d "username=json&passwork=abcdefgh" http://www.wordwide.com/regist -4 指定为post方式发送请求并附带文件 curl -X POST -F

替换字符 sed 's/:/ /g' #把：换成空格 tr'\n''#' #把换行换成# 获取行数/字段数/字数 wc -w wc -c # -c Count bytes # -l Count newlines # -w Count words # -L Print longest line length 判断 if [ $1 = "bind_key" ] && [ !..

function popen_command_info(command) local command_info local command_info_fd = io.popen(command, "r") if command_info_fd then while true do command_info = command_info_fd:read("*l") if command_info then break e.