Hello rsync list subscribers!
I posted the message I'm resending below some time ago to mbp.
I didn't get any response. A couple of days ago, I found it in this list using
Google.
I also could read a response there about using zlibc. I think zlibc does not do what I want. 1st. it is a readonly system. 2nd. it does not deals with links very well. rsync is very appropriate to copy a whole disk, including the root. We can also use a compress flag to get files compressed before being sent thru a communication mean. I think that small changes, for those who know the program internals, could increase it's power by allowing files to be left compressed on the destination.
For example, I have a mirror of my system disk. Unfortunateley, I need to have it decompressed. This takes a lot of space. I only need it to restore my working disk. I could have it compressed if rsync allowed me to do that.
So, I decided to subscribe the list and repost the message in the hope it deserves some comments from you. Thanks.
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Hi.
1st. of all thank you for mantaining this very useful program. It helps me a lot in a lot of tasks that would be otherwise very tedious and time consuming.
However, I think that a small feature could make it yet more powerfull when used as a backup tool. The idea was to have a switch so that files could be kept compressed at the destination. These compressed files could be then restored the same way specifing a switch telling that source files are to be uncompressed. Files with known extensions (.gz, .zip, ...) should not be compressed/uncompressed. All files must keep the original names unchanged.
Ex.
export RSYNC_COMPRESSED_EXTS=".gz .zip ..." ;# Extensions from files not to be compressed
Backup:
rsync -av --delete --zip MyDir/ BackupDir
Restore:
rsync -av --delete --unzip BackupDir/ MyDir
This is only a sugestion. You may find a better solution.
Thank you. Paulo da Silva
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