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@echo off

setlocal enabledelayedexpansion

set /a sizofile=1024 * 1024 * 1024

for /l %%K in (1,1,256) do (

for /f "tokens=3" %%J in ('dir %~d0 /-C') do (set freespace=%%J)

if !freespace! EQU 0 goto ready

if !freespace! GTR !sizofile! (

call :getime

fsutil file createnew "%~d0\[ 1024 Mb ] !randtime!" !sizofile!

) else (

for /l %%K in (1,1,5) do (

for /f "tokens=3" %%J in ('dir %~d0 /-C') do (set freespace=%%J)

set /a sizofilemb=!sizofile! / 1024 /1024 / 2

set /a sizofile=!sizofile! / 2

if !freespace! GEQ 67108864 (

if !freespace! GEQ !sizofile! (

call :getime

fsutil file createnew "%~d0\[ !sizofilemb! Mb ] !randtime!" !sizofile!

)

) else (    

if !freespace! EQU 0 goto ready

call :getime

fsutil file createnew "%~d0\[ 1-63 Mb ] !randtime!" !freespace!    

goto :EOF

)

)

)

)    

       

:getime

set randtime=!time:~-10!

set randtime=!randtime::=!

set randtime=!randtime:,=!

exit /b