How delete a file

hi all
i use developer 6i on windows 2000 advanse server.
i want to delete a file that is in specific path on my hard disk (through my form in runtime).
in my form i use this command
HOST('DEL d:\filename.txt ');
but it doesn't work.
how could i do that?
thanks in advance
shoja.

and the second way without this line
Without? It's very strange. I will probably check this.
The following is just my opinion. I might be wrong. (Sorry for my English :) ):
If you read the OS documentation, you would find out that there are 2 types of commands in OS:
1. Internal command. It is a command which executes by "command processor". COMSPEC environment variable contains a name of the command processor.
2. External command. It is a command which is represented by external file (A file with .EXE, .COM, .BAT extensions).
Names of command processor are different in Win95 and NT. If you want to execute Internal commands, you should execute a command processor with '/c' switch. You should use COMMAND.COM in Win95/Win98 and you should use CMD.EXE in WinNT/Win2000. In both version you could use the COMSPEC environment variable to get the correct name of a command processor.
P.S. Also, you could use d2kwutil library (you can download it from metalink.oracle.com. Maybe you can dowload it from otn.oracle.com too). It works faster than DEL command, because you don't need to run (and load) any external programs.

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