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From Jan.Mate...@rzf.fin-nrw.de
Subject AW: Comparing Files on Two Servers
Date Wed, 15 Dec 2004 12:55:14 GMT
The song is available via our online music store
http://ant.apache.org/manual/CoreTypes/selectors.html#modified

Jan


> -----Urspr√ľngliche Nachricht-----
> Von: Dick, Brian E. [mailto:Brian.Dick@FMR.com]
> Gesendet am: Mittwoch, 15. Dezember 2004 13:36
> An: Ant Users List
> Betreff: RE: Comparing Files on Two Servers
> 
> No, but if you hum a few bars I can sing along. :)
> 
> -----Original Message-----
> From: Jan.Materne@rzf.fin-nrw.de [mailto:Jan.Materne@rzf.fin-nrw.de] 
> Sent: Wednesday, December 15, 2004 2:06 AM
> To: user@ant.apache.org
> Subject: AW: Comparing Files on Two Servers
> 
> 
> Hhmmm - do you know the modified selector?
> 
> Jan
> 
> > -----Urspr√ľngliche Nachricht-----
> > Von: Brent Bain [mailto:Brent.Bain@marketlive.com]
> > Gesendet am: Dienstag, 14. Dezember 2004 22:08
> > An: 'user@ant.apache.org'
> > Betreff: Comparing Files on Two Servers
> > 
> > Hello:
> > 
> > I'm hoping to save some time during deployments by comparing 
> > a local zip
> > file against a remote server's zip file.  My first thought 
> > was to use the
> > checksum task, but the timestamps are deffinately going to be 
> > different.
> > The basic idea is this:
> > Perform a local build and zip up the files.
> > Compare the local zip file against a remote zip file
> >     If it's different then push the new zip file and extract 
> > on the remote
> > machine.
> >     If it's not different, don't do anything.
> >  
> > I tried this with the checksum task originally.  I would 
> > generate a file
> > that gets pushed to the remote machine at the same time I 
> > push the zip file
> > if things were different.  Then I can just grab the checksum 
> > file from the
> > remote machine and compare it against whats newly built/zipped.
> >  
> > In theory the byte size could be the same (a boolean gets 
> > changed from 0 to
> > 1 in a prop file for example).
> >  
> > So is this hopeless?  I'm looking at saving 2-3hrs over the 
> > course of a day
> > if I can somehow detect that there were indeed changes.
> > My other thought was to parse the VSS history to see if there 
> > are any files
> > that have changed -- but again -- that seems slower then just 
> > a compare of
> > the files.
> >  
> > Needless to say, simply comparing the date (OutOfDate task or 
> > UpToDate task)
> > won't work since the zip file will be newly made and the same 
> > file on the
> > remote machine might be several days/weeks old.  My other 
> > challenge is that
> > I only have SSH and FTP access to the remote machine...
> >  
> > If someone else has run into this or if anyone else has some 
> > tips that I'm
> > just overlooking I would greatly appreciate it!!
> > In advance, many thanks!!!
> > Brent
> > 
> 
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