So I was looking at my files today via the terminal and noticed an @ sign next to one of the files. This is sort of odd since the file was just a text file and I downloaded it as part of an open source project.
Check it:
Notice the special apple command "ls -@" to show the details of what that @ means. It indicated extra metadata on the file. Thanks to Flester's blog on the post.
Some other details of the @ sign is over on mac hints.
I fixed it just by "cat changes.txt > newfile.txt; rm changes.txt; mv newfile.txt changes.txt".
mkdir temp
cp file temp/
cp -XR temp newtemp
cd newtemp
ls -@l
Sourced from: http://forums.macrumors.com/showthread.php?t=841825
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