Back-up of Specific Files based on their Time Stamp

I use Time Machine, but I have 3 folders I like to back-up more frequently. I currently drag and drop them onto an external disk drive. This causes the Copy window to appear that says "An item named “XXXX” already exists in this location. Do you want to replace it with the one you’re moving? Apply to all?" etc. It then proceeds to write ALL files whether they have changed or not.
What I'm looking for is an app that does basically the same thing EXCEPT only re-writes the file if it has changed based on the time stamp of the file. Also, if the file is no longer in the source folder, it will delete it in the back-up folder. And if it hasn't changed, doesn't bother to re-write it and leaves it untouched, saving substantial time.
To be clear, I'm not looking for "Syncing" folders! I just want to back-up those files that have changed.
Thanks!

RalphTomaccio wrote:
I use Time Machine, but I have 3 folders I like to back-up more frequently.
More often than hourly?
What I'm looking for is an app that does basically the same thing EXCEPT only re-writes the file if it has changed based on the time stamp of the file. Also, if the file is no longer in the source folder, it will delete it in the back-up folder. And if it hasn't changed, doesn't bother to re-write it and leaves it untouched, saving substantial time.
CarbonCopyCloner and SuperDuper can do that, but I don't think you can schedule them more often than once per hour. They're used most often to make "bootable clones," but would work for your purpose as well. I don't use SD, but on CCC you could set up a "Scheduled task" and run it manually when desired.
[CarbonCopyCloner|http://www.bombich.com> is donationware; [SuperDuper|http://www.shirt-pocket.com/SuperDuper/SuperDuperDescription.html] has a free version, but you need the paid one (about $30) to do updates instead of full replacements, or scheduling.
You might want to investigate the Chronosync app; it might work, too.
And/or, see Kappy's post on [Basic Backup|http://discussions.apple.com/thread.jspa?messageID=12366915#12366915].
If you can wait until summer, and upgrade to Lion, it's "AutoSave" and/or "Versions" features might be helpful, too. See http://www.apple.com/macosx/lion/

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Well, 15 days, 40 views, 0 replies.
Could one kind sole, just one, please; startup Notepad, save an empty .txt file to the USB drive on the router, and then let me know if the file had the correct time stamp?
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1. Reading the Excel file from the selection screen as a parameter.
2. Using F.M. ALSM_EXCEL_TO_INTERNAL_TABLE reading Excel file into
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00000003                 xxxxx-25.04.2007-10.40
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I am not clear with your problem. Based on the understanding of your question,
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2- Time stamp is already there, u just have to solve the overwriting issue.
If your question goes with option 2, You can make use of import parameters
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<b>APPEND</b> : which you can choose either to append the data to the existing file or overwrite it.
Please inform if the issue is not resolved.
Message was edited by:
        BINU RAJ BINU

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I would like to thank this forum for useful advice so far in completing my LabVIEW software.
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Solved!
Go to Solution.
Attachments:
writer.vi ‏19 KB
time.txt ‏1 KB

Hey maxidivine,
Iv been playing round with your code and found that to perform the search that you require could be quite demanding to system resources when scaled to the size of your application I shall try and find a way to perform the search using .txt files but the there are some other options available. I recommend the use if TDMS files as the file format is a very efficient, manageable method of data-logging. The TDMS file format is designed to write and read measured data at a very high speed, while maintaining a hierarchical system of descriptive information.
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Report Gen in DIAdem...
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http://zone.ni.com/devzone/cda/tut/p/id/4065
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Philip
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UK Branch
===If this fixes your problem, mark as solution!===

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Back-up of Specific Files based on their Time Stamp

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