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macOS Display a message before deleting/renaming a file.

I

ithil

macrumors newbie
Original poster
Jul 2, 2006
5
0
Hi all,

If I try to delete ( by emptying trash) a XCode project, when it is open, it will display a message [The operation cannot be complete because the item "main.m" is in use] & trash is not emptied.

I want to display a similar error message if my application is trying to delete/rename a file, which is used by other application. Is there a way to provide such a behaviour?

Thanks... :)
 
slooksterPSV

slooksterPSV

macrumors 68040
Apr 17, 2004
3,543
305
Nowheresville
ithil said:
Hi all,

If I try to delete ( by emptying trash) a XCode project, when it is open, it will display a message [The operation cannot be complete because the item "main.m" is in use] & trash is not emptied.

I want to display a similar error message if my application is trying to delete/rename a file, which is used by other application. Is there a way to provide such a behaviour?

Thanks... :)
Click to expand...
Now, someone correct me if I'm wrong, but when you open a stream to a file it registers as being open, now it is possible to test whether there is a stream going into or out of that file based on its location? ID? something? There are many programs that do this, so it is possible - you may want to search for file isopen command or something.
 
savar

savar

macrumors 68000
Jun 6, 2003
1,950
0
District of Columbia
ithil said:
If I try to delete ( by emptying trash) a XCode project, when it is open, it will display a message [The operation cannot be complete because the item "main.m" is in use] & trash is not emptied.
Click to expand...

You can't delete a file that is open for writing. That's why the trash gives you that message.

If you want your app to give the same message, open the file for writing.
 
I

ithil

macrumors newbie
Original poster
Jul 2, 2006
5
0
savar said:
You can't delete a file that is open for writing. That's why the trash gives you that message.

If you want your app to give the same message, open the file for writing.
Click to expand...

I guess i could have done that..:) thanks for your time..
 
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