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But it will not get better by standing by and shaking the head. I am sorry if I said something you don't like. The reasons for that I don't But I see now why "cp" counts as a "hint" and "cp -H" will be the next big thing. Right now I am feeling this site gets swamped by trivial posts, and I would like to stay a quality site. If the majority really thinks that "cp" is a hint, well, then I would not say anything about it anymore.
I wish more people would speak out, so as to learn their opinion. And I am trying to make people aware that not everything they perceive as a hint really is worth blogging about. So I started to vote for good hints and vote less for trivial "hints". But if nobody does anything, things won't get better. So the "line" should be one the community draws. I am most certainly not able to draw the line, as this is and always be subjective. Others have already tried in the past and when "cp" counts as a hint, they've failed. I do agree that it is very hard to draw a line between what counts as a hint and what not. And maybe "cp" was - next to another 1064 commands in /usr/bin - actually a new command to you. It's your site, you are making money off it, you are certainly interested in a certain volume of hints a day/week/whatever to keep people and advertisers coming. If this is of no value to you, I'm not surprised. I have voiced my opinion here, at a good example of a cheap "hint" in the hope to find others that think like me. I am complaining about the quality of this hint and the quality of hints in general on. Mlbackup was also featured in another hint and is available for free, licensed under GPL.įull and fair disclosure: I am the author of mlbackup and I did write it for a very similar need, namely to backup files from one disk to another. You can also use mlbackup to achieve the same by creating a simple 7 line (max.) config file and have delta copies, backup rotation, growl and email notifications. usr/local/maclemon/bin/rsync -recursive -perms -executability -acls -xattrs -owner -group -times -progress "source" "target"This will also preserve ACLs and all extended attributes, forks etc. If you have rsync 3 from mlbackup installed you can use a slight variation which is required for the much superior version of rsync included there. usr/bin/rsync -recursive -perms -executability -owner -group -times -progress -extended-attributes "source" "target" I've included the long options to make the commands easier to comprehend.
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Puts the contents of foo into /dest with no "foo" directoryįor the Mac OS X bundled rsync 2.6.9 you can use the following line to achieve the same, but with the extra speed of delta copy. In other words, each of the following commands copies the files in the same way, including their setting of the attributes of /dest/foo:Ĭopies "foo" itself to /dest directory creating a foo subdirectoryĬopies "foo/*" to /dest directory implicitely forcing the creation of "foo" at the destination You can think of a trailing / on a source as meaning "copy the contents of this directory" as opposed to "copy the directory by name", but in both cases the attributes of the containing directory are transferred to the containing directory on the destination. P=save intermediate Partial files (-partial) and give you Progress (-progress)Ī trailing slash on the source changes this behavior to avoid creating an additional directory level at the destination. Here's my cheatsheet for rsync, read the man page for it though. I think cp with these options will overlook changed files, my favorite for stuff like this is rsync. In short, a quick and efficient means of getting just the new photos copied over. The n and R ensure that all new files are copied from the directory tree.
v - Causes files to be listed when copied.R - When the source file is a directory and the path ends in with a slash ( /) then the entire contents of the directory are copied recursively.p - Preserves attributes, including resource forks.In Terminal, I run this command: cp -npRv "/Volumes/LocalUSB/Photos/" "/Volumes/RemoteUSB/Photos/"Yes, it is the standard Unix copy ( cp) command with a few options:
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So mind-bogglingly simple, and no third-party software required. Whilst rsync could probably do the job, I couldn't get my head around the terminology to be sure I wasn't risking the original files.
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I checked out numerous commercial and free products for backup, synchronizing and more, and nothing quite fit the bill. My photos are in RAW format (specifically DNG files) and will never change, so I only need to concern myself with new files. My requirements were simple: ensure that all my digital photos, stored on a locally attached USB drive, were duplicated to another drive attached to my AirPort Extreme. While looking for the perfect product to keep my photos safe, I discovered that sometimes simple is best.