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Files in a shared directory

 
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# 1  
Old 07-24-2011
Files in a shared directory
At work, we have a shared directory where we modify files via ssh. This can be an issue if two people unknowingly try to open and modify the same file. Sure, one user could send a mass e-mail/IM to the group, letting everyone know when he/she is accessing a file, but I was wondering if there was a better solution. Do you guys think it would be worth doing a chmod every time we open/close a file?

I would also like to know if there is a unix command/script to see who has a file open?
# 2  
Old 07-24-2011
NFS might be a solution in such cases
# 3  
Old 07-24-2011
The unix command is "fuser". This command is of little use in this situation because the status of the file can change so quickly.
The usual method is to not permit direct editing of the file. Then have a temporary "token" file to reserve access to the common file.
 
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