[CentOS] evaluating backup systems: rsync

On 01/19/2013 11:21 AM, John Hinton wrote:
> Yet size only is not reliable. If for instance you have a simple text
> file with the word hellO and someone catches the typo and changes it to
> hello, the filesize doesn't change as near as I can see.

Right.  -c is a better option, unless you're trying to minimize disk IO 
and you know that size alone is always a valid indicator of changes.