The most basic tool of them all is the Terminal command cp, which simply copies the contents of files. Anyone writing a utility to perform such copying needs to build in a lot of flexibility, and with that, of course, comes complexity. You can now see how an apparently simple and basic task can become very complicated. How would an app decide which updated files to replace? Or how would the app cope if you wanted to merge together the contents of several working folders on your startup volume, to create a consolidated copy on the NAS?
ACROSYNC ALTERNATIVE HOW TO
Now consider how to deal with a similar situation, but where two or more people might be sharing that ‘master’ folder on the NAS. So what you want is a tool which selects those which have changed, and only copies those across. If you instead opt just to copy the whole folder across, overwriting the existing files on the NAS, you will waste a lot of time copying files which have not changed. If at the end of each day you have to work out which files have been updated and copy those across individually, you will waste a lot of time and make mistakes. Take an apparently simple chore of keeping a folder full of working documents in sync between your startup volume and network storage (NAS). This article looks at some of the ways – other than the likes of Time Machine – which are readily available. Copying files is one of the most basic tasks for a computer: a core function of the Finder, at the heart of many tools such as Time Machine and Migration Assistant, and the sole purpose of others such as Installer.Ĭopying a few files every now and again is easily done manually using the Finder, but repetitive tasks such as performing hourly backups, creating a mirror or clone copy of a whole volume, and maintaining synchronisation between large and complex folders, is not the sort of thing that you want to perform yourself.
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