[ILUG] Backup script using bash, find & zip

[Justin MacCarthy]

Opps...There should be $STARTDATE++ in there somewhere ...

Justin 


> Justin MacCarthy
> Sent: Monday, March 25, 2002 5:06 PM
> To: ilug at linux.ie
> Subject: RE: [ILUG] Backup script using bash, find & zip
> 
> 
> To change the question slightly;
> 
> > > #get earliest mdate in the directory is [STARTDATE]
> 
> How do I get the earliest mdate on file in a directory????
> 
> otherwise her is what I got so far
> 
> FIRSTZIPDATE = 25032002
> DAYSAGO = $FIRSTZIPDATE - $STARTDATE
> 
> while [ "$STARTDATE" -lt "$FIRSTZIPDATE" ]
> do
> 	
> 	FILENAME=`date --date='$DAYSAGO days ago' +%d_%m_%Y.ZIP`
> 	find /d/data -daystart -mtime -$DAYSAGO | zip 
> /d/backups/$FILENAME -@
> 	DAYSAGO = $FIRSTZIPDATE - $STARTDATE
> done
> echo
> exit 0
> 
> TIA 
> 
> Justin 
> 
> 
> > > I have a very simple bash script that everyday backs up any 
> > files modified
> > > yesterday to a zip file. as follows
> > > 
> > > #!/bin/bash
> > > 
> > > FILENAME=`date --date=yesterday +%d_%m_%Y.ZIP`
> > > find /d/data -daystart -mtime 1 | zip /d/backups/$FILENAME -@
> > > 
> > > 
> > > However there is already is data in the /d/data directory, so 
> I want to
> > > modify the script to create zips for all the file that where 
> > there BEFORE I
> > > started using this script
> > > 
> > > logic is
> > > 
> > > #get earliest mdate in the directory is [startdate]
> > > 
> > > #first zip file date is  (I can hard code this in) [firstzipdate]
> > > 
> > > #Loop from startdate to firstzipdate and create a zip for that date
> > > #(if there are any files ) zipfilename format = dd_mm_yyyy.zip
> > > 
> > > 
> > > 
> > > Can anyone point me in the right direction?
> > 
> > Any numeric arguments to find can have + or -
> > prepended to mean more or less than respectively,
> > so you probably want...
> > 
> > find /d/data -daystart -mtime +1 | zip /d/backups/orig.ZIP
> > 
> > Padraig.
> > 
> > 
> > -- 
> > Irish Linux Users' Group: ilug at linux.ie
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> > information.
> > List maintainer: listmaster at linux.ie
> > 
> > 
> > 
> 
> -- 
> Irish Linux Users' Group: ilug at linux.ie
> http://www.linux.ie/mailman/listinfo/ilug for (un)subscription 
> information.
> List maintainer: listmaster at linux.ie
> 
> 
>