Programming Forums > Web Development and Design > JavaScript and Client-Side Browser Scripting

Master · Sep 25th, 2006, 10:28 AM

I did this but it does not work

function DeleteFile(filename)
{
    var fso = new ActiveXObject("Scripting.FileSystemObject");
    fso.DeleteFile(filename, true);
}

Booooze · Sep 25th, 2006, 2:09 PM

Couldn't tell you about the code, but Javascript isn't really made for modifying file system content. It can be done, but it is probably considered malicous code these days. If the code is correct, consider looking into whether or not your browser is actually letting the code run.

Ghost · Sep 26th, 2006, 7:21 AM

I suggest looking toward a more advanced code, such as java, php, perl, c# or vb.net for those type of problems.

Master · Sep 26th, 2006, 8:35 PM

Don't worry about it any more, i recode it in ASP.net with C#

mackenga · Dec 1st, 2006, 5:06 PM

Shudder. What do you mean, a more 'advanced code'? JavaScript might be a little clunky but there is nothing advanced about deleting a file.

Booooze probably has the right answer if this JavaScript code is trying to run inside a browser. But if it was trying to delete a file at the server side, then it's not malicious and should have worked; runat="Server" in the SCRIPT tag would avoid having the code sent to the client, which should refuse to instantiate the FileSystemObject for security reasons.

As for moving to ASP.NET just for this functionality - do you have any idea what you've added to the footprint of your server-side script for the sake of an easy file delete?!

Ah well, I suppose you get other advantages that way too. Ho hum.

(Trying not to rant...)

Sep 25th, 2006, 10:28 AM	#1
Master Programmer Join Date: Sep 2005 Location: GA Posts: 99 Rep Power: 3	How to delete file in JavaScript I did this but it does not work (Toggle Plain Text) function DeleteFile(filename) { var fso = new ActiveXObject("Scripting.FileSystemObject"); fso.DeleteFile(filename, true); } function DeleteFile(filename) { var fso = new ActiveXObject("Scripting.FileSystemObject"); fso.DeleteFile(filename, true); } Last edited by big_k105; Sep 25th, 2006 at 10:40 AM. Reason: Added Code Tag

Sep 26th, 2006, 7:21 AM	#3
Ghost Man Bear Pig Hunter Join Date: Jul 2005 Location: NorCal, USA Posts: 290 Rep Power: 4	I suggest looking toward a more advanced code, such as java, php, perl, c# or vb.net for those type of problems. __________________ People who click "images" that end with .exe shouldn't have computers.

Dec 1st, 2006, 5:06 PM	#5
mackenga Professional Programmer Join Date: Mar 2005 Location: Glasgow, Scotland Posts: 314 Rep Power: 4	Shudder. What do you mean, a more 'advanced code'? JavaScript might be a little clunky but there is nothing advanced about deleting a file. Booooze probably has the right answer if this JavaScript code is trying to run inside a browser. But if it was trying to delete a file at the server side, then it's not malicious and should have worked; runat="Server" in the SCRIPT tag would avoid having the code sent to the client, which should refuse to instantiate the FileSystemObject for security reasons. As for moving to ASP.NET just for this functionality - do you have any idea what you've added to the footprint of your server-side script for the sake of an easy file delete?! Ah well, I suppose you get other advantages that way too. Ho hum. (Trying not to rant...) __________________ "I'm not a genius. Why do I have to suffer?"

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Sep 25th, 2006, 2:09 PM	#2
Booooze Expert Programmer Join Date: Mar 2006 Location: Igloo Posts: 710 Rep Power: 3	Couldn't tell you about the code, but Javascript isn't really made for modifying file system content. It can be done, but it is probably considered malicous code these days. If the code is correct, consider looking into whether or not your browser is actually letting the code run.

Sep 26th, 2006, 8:35 PM	#4
Master Programmer Join Date: Sep 2005 Location: GA Posts: 99 Rep Power: 3	Don't worry about it any more, i recode it in ASP.net with C#

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Programming Forums > Web Development and Design > JavaScript and Client-Side Browser Scripting

How to delete file in JavaScript