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.bat to backup certain file adding date and sequence # to end of the file name.

Posted on 2013-05-13
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Last Modified: 2013-06-12
I used to know how to do this, I even wrote them and used them on jobs. I had a couple of handy DOS batch file books once upon a time..

Help save me some time (and if you could also give me a link to a good online batch command resource I'd appreciate it).

I want a batch file to backup this file:

C:\Documents and Settings\Myname\Application Data\Mozilla\Firefox\Profiles\q4lyst7r.default\sessionstore.js

and place it into the folder c:\firefoxback\

I want to name the backups by date and sequentially such as:
sessionstore2013.05.11.01.js
sessionstore2013.05.11.02.js

The current  yyyy.mm.dd.## could be stored in a .txt/.lst file for easy determination of the next name or could be determined by looking at existing file names.
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Question by:Missus Miss_Sellaneus
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Giovanni Heward earned 500 total points
ID: 39163144
This should get you started...

@echo off
setlocal enabledelayedexpansion
set mm=%date:~4,2%
set dd=%date:~7,2%
set yyyy=%date:~10,4%
set yy=%date:~12,2%
set source=%userprofile%\Application Data\Mozilla\Firefox\Profiles\q4lyst7r.default\sessionstore.js
set dest=c:\firefoxback
if exist "!source!" (
	for /l %%c in (1,1,8) do (
		set /a check=%%c+1
		if exist "!dest!\sessionstore!yyyy!.!mm!.!dd!.0%%c.js" (
			if not exist "!dest!\sessionstore!yyyy!.!mm!.!dd!.0!check!.js" (
				copy "!source!" "!dest!\sessionstore!yyyy!.!mm!.!dd!.0!check!.js"
				goto :eof
			)
		) else (
			copy "!source!" "!dest!\sessionstore!yyyy!.!mm!.!dd!.0%%c.js"
			goto :eof
		)
	)
)

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