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UNIX for Dummies Questions & Answers
Compare two directories and copy differing files
Post 302359906 by raaaaaa on Wednesday 7th of October 2009 04:52:17 PM
10-07-2009
Compare two directories and copy differing files
Hello there, I'm a total noob to shell scripting. 
What I want to do is compare the contents of Folder A and Folder B, and copy any files in Folder A that do not exist in Folder B over to Folder B.
I have gotten so far as:
diff -rq folderA folderB
which returns the names of the files, but I don't know how to do the second part of the operation.
Thanks very much, your help is greatly appreciated.
What I want to do is compare the contents of Folder A and Folder B, and copy any files in Folder A that do not exist in Folder B over to Folder B.
I have gotten so far as:
diff -rq folderA folderB
which returns the names of the files, but I don't know how to do the second part of the operation.
Thanks very much, your help is greatly appreciated.
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LEARN ABOUT MOJAVE
pam_mount
pam_mount(8) BSD System Manager's Manual pam_mount(8) NAME
pam_mount -- Home Folder Mounting PAM module SYNOPSIS
[service-name] function-class control-flag pam_mount [options] DESCRIPTION
The Home Folder Mounting PAM module supports the authentication and session management function classes. In terms of the function-class parameter, these are ``auth'' and ``session'' respectively. The Home Folder Mounting Authentication Module The Home Folder Mounting authentication module reads the mount authenticator from the PAM authentication context and caches it in the PAM environment. The Home Folder Mounting Session Management Module must be used in conjunction with this module to remove the authenticator from the PAM environment. The Home Folder Mounting Session Management Module The Home Folder Mounting session management module copies the mount authenticator from the PAM environment, removes it from the PAM environ- ment, and uses its copy to mount the user's home folder if the user's OpenDirectory record indicates that an AFP, SMB, NFS or FileVault home folder is to be used. When the session is closed, the Home Folder Mounting session management module unmounts the user's home folder if it was mounted by this mod- ule when the session was opened. SEE ALSO
pam.conf(5), pam(8), DirectoryService(8) BSD
February 7, 2009 BSD