批处理启动程序

用命令行运行的单进程的任务，要启动多个程序用 start cmd /c notepad.exe

set fileName=%1
 
set found=

for /f "tokens=*" %%a in ('tasklist ^| findstr /i "%fileName%"') do set found=Y

if not "%found%"=="Y" start cmd /c "%fileName%"

关闭程序

taskkill /f /im notepad.exe