Use rsync instead. You'll never look back. Janina Linux for blind general discussion writes: > Okay, so using the cp command with the -Rn switch is convenient for > say copying my Music folder from my home directory to an external hard > drive or the SD card for my portable Media player when the destination > already has an older copy without needing to copy everything already > present in the old copy, manually determining what's been added and > copying manually, or dealing with a bunch of prompts. It also allows > an aborted copy to more or less be resumed from where it left off. > > This method is simple enough to not require scripting or complex > command syntax, but it does have a few downsides: > 1. It won't overwrite corrupted files left by an interrupted copy, and > such files are too rare for manual searching. > 2. Files that have been altered don't get copied. unless they've > changed filename. Not a big issue for copying my Music folder since > those files are seldom altered, but copying say, my writing folder can > lead to the backup media containing only older drafts of some > documents. > 3. It tells me nothing of files from an older copy that have been > deletd/renamed since the last copy. jdupes can find old files on the > destination media if the new file is just a rename, but it can't help > with files that have been altered as well as renamed. > > I suppose what I'm looking for is a command line utility or script > that executes the following pseudo code: > Given directories source and destination: > for every file found in both source and destination: > if file.source != file.destination > prompt user whether to overwrite one version of the file with the > other or to add the files to a list for later examination. > For every file only in source: > search for match in destination. > If match found prompt user towhich to rename to match. > If not match found, copy to destination. > For every file only in destination: > search for match in source. > If match is found, prompt user to which file should be renamed. > If no match is found, prompt user whether to copy of delete. > > If anyone knows of command line utilities to help with this task, it > would be greatly appreciated. > > _______________________________________________ > Blinux-list mailing list > Blinux-list@xxxxxxxxxx > https://www.redhat.com/mailman/listinfo/blinux-list -- Janina Sajka, Phone: +1.443.300.2200 sip:janina@xxxxxxxxxxxxxxxxxxxx Email: janina@xxxxxxxxxxx Linux Foundation Fellow Executive Chair, Accessibility Workgroup: http://a11y.org The World Wide Web Consortium (W3C), Web Accessibility Initiative (WAI) Chair, Accessible Platform Architectures http://www.w3.org/wai/apa _______________________________________________ Blinux-list mailing list Blinux-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/blinux-list