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I have a Dropbox folder which is shared by couple of users. I would like to make a backup of this folder that will occur every week and store this backup on another hard drive.

I can simply copy the entire folder each time and this will be the backup, but I would like to copy only the files that have been changed or created during that week.

I thought of creating a batch script that will check each file in the Dropbox folder recursively and see its modified date. If that date is later then a given one (current backup date) it will copy the file to a folder named BackUP[Date].

Do you think this solution is OK?

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It appers to me to be overkill to write a batch script for you. You can do this easily via a GUI-application, like Comodo Backup.

It can even backup to FTP drives:

Backup to anywhere Network drive, external drive, FTP, DVD/CD, ISO, zip, online storage - you name it, Comodo Backup can copy to it!

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Im on windows. its local folder that is shared by dropbox and used by others. i want to have a backup on a different external hardisk. – ilansch Jun 24 '12 at 7:24
I edited my answer :) – Ryqiem Jun 24 '12 at 7:30
Id rather do it on batch script so i could manage it by myself without 3rd party tool.. thanks for the commodo backup link. but i dont like commercial apps, if i can do it myself. – ilansch Jun 24 '12 at 8:52
this work: echo off if exist "C:\Backup" goto GO goto ERR :GO xcopy "C:\Cypress*.*" "C:\Backup*.*" /m/e/y echo/ echo ** Copy complete! ** echo/ pause :ERR echo/ echo ** ERROR - files cannot be copied! ** echo/ pause – ilansch Jun 24 '12 at 9:04
@ilansch Answer your own question please with that script. It doesn't work in comments, since everything is in one line, – slhck Jun 24 '12 at 13:22

I recommend using Microsoft's free SyncToy utility to do this. Its documentation describes how to run it from the command-line, which means it can be can be started from a batch script to run all or specific "jobs". There's also instructions for setting it up as a scheduled task that will run it automatically at set times every day, week, month, etc. A log file is produced which can be consulted to verify its processing and help trouble-shoot any issues. All-in-all a decent program, although it's no speed-demon, IMHO.

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up vote 0 down vote accepted

The simple xcopy does the trick:

echo off
if exist "C:\Backup" goto GO
goto ERR

xcopy "C:\Cypress\*.*" "C:\Backup\*.*" /m/e/y
echo ** Copy complete! **

echo ** ERROR - files cannot be copied! **
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