Can a file be moved?

The Question:
Is there any way of checking whether or not a file can be moved?
The Context
My program is periodically checking a folder for new files. Files are moved into this folder via FTP. My program is designed to then move these files into a different folder. However, I want to ensure that the file has completely arrived.
The Example
For example, a 450MB file will appear to the Java File API, but I won't be able to move it if the file is still copying over.
The Restrictions
I know you can check the success/failure of a move - I don't want to do this (Althought it looks like I'll have no choice).
The results of File.canRead() and File.canWrite() don't help.
I don't want to do nasty tricks like monitoring the file's size over the course of a minute to see if it has stopped increasing.

So? I can personally guarantee that if the operation you are attempting fails, it did not succeed, regardless of the platform ;-)
And the question isn't whether the file is being copied to, it's whether it can be moved.
So move it.
It's like these people who want to see whether a host is reachable before they try to connect to it. Just do the connect!
Any other approach to this sort of problem and you are trying to predict the future. You are fortune-telling.

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Problem in tutorial and zip file. can anyone file it or correct it..

hi jdev experts,
am using jdev11.1.1.5.0.
when am new to these webservice. i followed this tutorial
http://docs.oracle.com/cd/E18941_01/tutorials/jdtut_11r2_14/jdtut_11r2_14.html
url wsdl link when use that wsdl.
throws some error.
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Consuming a Web Service from a Web Page
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this is to arun.
As the exception stack clearly mentions that the endpoint is moved, it is up to the users to make use of any other webservice.trace says link is moved i know.
thing am here is:
please make note on that tutorials.
* note :- just like this consume some other external webservices. dont use this webservice this webservices link is broken.
this what saying.
this to john.
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Hi,
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Satoru Murata wrote:
And moving a file from one directory to another on the same drive is "physically" possible?
Actually, yes. They are fundamentally different. The actual file itself does not change. There is one copy of the file. There is also (at least) one hard link to the file. The hard link is what you actually see in the file system as a "file". In a true move operation, you create two links to the file. There is then one physical file with two pointers to it. Then, after that 2nd link is successfully created, you "unlink" the first one. Correspondingly, to "delete" a file, you just "unlink" the one and only link to it. Time Machine, for example, make extensive use of links to create snapshots of your files. These links are only possible on a single file system.
Why shouldn't we expect the Finder to be able to do that properly?
We should. But this is not a bug that should really affect anyone. I'm quite sure that there are more people who, after hearing about this, have tried to use a move across volumes than have ever tried it before. Yes, it is a bug. Yes, you could lose data. But it is a minor operation that few people knew about until recently.
And there's no guarantee that when you hit the "Send" button in Mail your e-mail will reach its destination. Perhaps you should snail mail it. Strike that, the USPS is even less reliable. Go deliver the mail in person.
That is a poor analogy. You still have a copy of the sent mail in your system. A better analogy would be to click "send" and then immediately deleting your copy of the sent message. Surely, that would be foolish. And I prefer DHL. I have had much better luck with them.
No one friggin' needs to use a computer, but a lot of people WANT to. And I'm saying there are people, if you can get it in your stubborn little head, who WANT to use Move instead of Copy, go back to original file/directory, click icon, drag to trash, empty trash, and click OK in confirmation dialog (which, by the way, is a few more than "one additional key" that you allude to).
My goodness! No need to get so upset
You can move files to new volumes all you want to. It is always going to be a risky operation, riskier than copying and then deleting. When Apple releases a fix, the risk will decrease, but I would not advise using it, on any platform.
First of all, who the heck are you telling me I'm the minority so I should just bite the bullet? Since apparently you're such an aficionado of the Terminal, which only 5% of Mac users use on a daily basis, I guess you would be just fine and dandy if there was a glaring bug in Leopard that prevented you from using it "until the software update is available", huh?
I'm "random guy on the Internet". I thought you knew that. That is an interesting question. I have always liked UNIX and I'm particularly fond of the Mac giving me the best of both worlds. But, I have to admit, I was a very happy Mac user long before MacOS X, so I think I could survive.
And second of all, you obviously think I'm some Vista troll or something, but I certainly am not, and it's quite insulting. I'm usually the first one to come to Apple's defense when need be. And, as I mentioned in my first post, I agree that this "problem" is totally overblown on various sites. HOWEVER, you are just an idiot fanboy of the worst kind if you maintain that there's really nothing wrong with this bug and suggest that, and I quote:
Really, the only reason for even attempting this operation is so you can get on the Internet and post a message about how Apple's horrible bug has caused you to lose data.
No, I didn't think that much about you at all. I was just trying to explain the difference between moving vs. copying and how those operations changed when performing them across two different file systems. I admit I am a bit sensitive about the Mac. I try not to evangelize anymore. I do try to respond to FUD when I see it. There has been a lot of that recently with Leopard.
I never said this wasn't a bug and that it shouldn't be fixed. I said it was a bug in a non-default behavior that few people even knew about. I also said that even attempting a move across file systems (even without this bug) is not a wise idea. It has a fairly high risk factor, a fairly low convenience factor, and no savings of space or time. It is my opinion that the only reason people care about it is so they have something to bash Apple about. I wasn't including you, personally, in that category. I was just trying to explain my thinking.
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I want to transfer all my iPhoto, iTunes, contacts, etc. files from my MacBook, which I am selling to a MacBook Pro. What is the easiest and safest method of achieving this? Can the files backed up on Time Machine be transferred to the Pro?.

I want to transfer all my iPhoto, iTunes, contacts,documents, etc. files from my MacBook, which I am selling, to a MacBook Pro. What is the easiest and safest method of achieving this? Can the files backed up on Time Machine from the MacBook be transferred to the Pro in some way? I would like to capture the files as they appear on the MacBook, such as "Events" in iPhoto and the various song categories within iTunes without having to rename them all once saved on the Pro, which is the case with photos when I simply save them to thumb drive and import them to the Pro. Sny advice would be appreciated.
Best regards,
Rob.

Michael,
Thanks for all your assistance. There is no need for apologies, Migration Assistant did indeed create a second account for the MacBook data. It has just taken me some time to figure out how to access it. I now have all the MB data in one account and the MBP files in another, which suits me fine. In fact, it is an advantage in my case as it keeps the private and business aspects separated.
I will however try the fatcatsoftware to transfer all the iPhoto files to my iMac, where I keep my main photo library. and it will be of help to keep the events, etc in the transfer. As far as iTunes is concerned, I have HomeSharing on all my computers and this has obviated the need to worry about playlists being transferred successfully. However, HomeSharing did not appear to share the iPhone/iPod apps that were stored on the MB and although these have now come across with the new MacBook account on the MBP, I was wondering whether my iPhone and iPod will be recognised by the MBP and sync with it? Will I need to have the MB account open to achieve this or will the MBP recognise and sync with the iPhone/iPod automatically irrespective of which account is open?
Thanks for the tip on deauthorising my iTunes account from the MB before sellng. This I will do and I believe the best way to remove all of my data from the hard drive is to reinstall the MacOSX operating system software. Is this the right approach to securely delete everything?
Thanks again for sharing your expertise and your guidance through this exercise.
Best regards,
Rob.

Can a file be moved?

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