@H_301_12@

@H_301_12@

:makerandom
make som random var,microtime,whatever,we call it %x%
check if file exist,if it does,goto makerandom
call the script with %x% as argument
:check
if file exist %x% goto check
:done

在PHP脚本中：@H_301_12@

@H_301_12@

create the file specified by the argument
... script here ...
delete the file