How should I fix problems with file permissions while restoring from Time Machine?

Posted by Andrew Grimm on Super User See other posts from Super User or by Andrew Grimm
Published on 2011-01-12T11:20:39Z Indexed on 2011/01/12 11:56 UTC
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While restoring files from a Time Machine backup, I got the error message "The operation can’t be completed because you don’t have permission to access some of the items." because of problems with files in one folder. What's the safest way to deal with this?

The folder in question has permissions like:

Andrew-Grimms-MacBook-Pro:kmer agrimm$ pwd
/Volumes/Time Machine Backups/Backups.backupdb/Andrew Grimm’s MacBook Pro/2010-12-09-224309/Macintosh HD/Users/agrimm/ruby/kmer
Andrew-Grimms-MacBook-Pro:kmer agrimm$ ls -ltra
total 6156896
[email protected] 19 agrimm  staff        680 18 Jan  2008 Saccharomyces_cerevisiae
[email protected]  1 agrimm  staff   60221852  4 Aug  2009 hs_ref_GRCh37_chrY.fa
[email protected]  1 agrimm  staff  157488804  4 Aug  2009 hs_ref_GRCh37_chrX.fa
(snip a few files)
[email protected]  1 agrimm  staff     676063 27 Oct  2009 NC_001143.fna
[email protected]  1 agrimm  staff       6148 23 Mar  2010 .DS_Store
[email protected]  3 agrimm  staff       1530 23 Mar  2010 .
[email protected] 30 agrimm  staff       1054 20 Nov 14:43 ..

Is it ok to do sudo chmod, or is there a safer approach?

Background: Files within the original folder on my computer also had weird permissions - I suspect I may have used sudo to copy some files from a thumbdrive onto my computer.

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