How to get freedisk space?

[sonoop]

code of batch file :

rem check free space of the drive
freedisk.exe  D:  20GB  (the freedisk.exe only use minimum bytes).

rem space of the drive D not enough
IF errorelevel 1 goto :error   

rem space of the drive D enough
7z.exe C:\myapplication.7z  -aoa  -o"D:\"

:error
echo Your drive's space not enough, plz trying again!!!

But the freedisk.exe is wrong, it's return wrong value. And i'm trying other way. (chkdsk, dir, fsutil,...) Do you resolve that?

Edited April 19, 2011 by sonoop

[dencorso]

FreeDisk.exe version 5.2.3790.0 can do what you want. The one you have is too old, so it just doesn't understand 59825229820 and truncates it, thus giving the wrong result you've got.

[sonoop]

@all: thanks so much!!!

I finish the checking with vb script.