dos命令，根據輸入的關鍵字和行數，匹配文本里面的url並在瀏覽器中打開

@echo off
setlocal enabledelayedexpansion
set counter=0
set "fileName=new.txt"
set /p keywords=請輸入關鍵字：
set /p toplines=請輸入要匹配前幾行：
if exist %fileName% (
del %fileName%
)
for /f "tokens=1-4 delims= " %%i in ('findstr %keywords% data.txt') do (
	if !counter! lss %toplines% (
	set /a counter=!counter!+1
	start "%%k%%l" %%i
	echo %%k%%l %%i >> %fileName%
	)else exit
)
echo 點擊任意鍵查看結果...
pause >nul
start %fileName%