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Users with Existing csh and tcsh Accounts

The following instructions tell you how to set up HEPiX for an already existing account using csh or tcsh. Users with new accounts should instead follow the instructions in Logging In. Users with already existing accounts using bsh, bash, korn or zsh should instead follow the instructions in for Users with Existing bsh, bash, korn or zsh Accounts

Do not log out after you make these changes. Keep the existing session up and start a new session to check that your log in still works properly. If the new log in has problems, you will want your original session to make any corrections.

Copy your $HOME/.cshrc and $HOME/.login just in case you need to go back to them:

    > cd $HOME
    > cp .cshrc original.cshrc
    > cp .login original.login
    
Create the directory .hepix and insert the file that identifies babar as the preferred group. This will cause the BABAR-specific environment to be established.
    > mkdir $HOME/.hepix
    > cp /afs/slac/g/babar/etc/hepix/Newuser/preferred-group $HOME/.hepix
    
Add the following lines at or near the beginning of your .cshrc file:
    if ( -r /usr/local/lib/hepix/central_env.csh ) then
      source /usr/local/lib/hepix/central_env.csh
    endif
    
If you currently call the BABAR login scripts in your .cshrc, remove them. This obsolete code may look like any of the following lines (other variations are possible):
    source /nfs/juno/u5/etc/profile/.babar_environ
    source /afs/slac.stanford.edu/g/babar/etc/profile/.babar_environ
    source $BFPROFILE/.babar_slac
    source /nfs/juno/u5/etc/profile/.bfcshrc
    source /afs/slac.stanford.edu/g/babar/etc/profile/.bfcshrc
    
If you currently call the SLAC environ script, remove it. This obsolete code may look like:
    eval `/usr/local/bin/environ /bin/tcsh -i${?prompt} motif -e emacs:vi`
    
Look through your .cshrc file for other BaBar-related items, such as defining environmental variables (setenv BF...) or setting up the SRT system:
    source $BFROOT/dist/releases/current/SoftRelTools/SRTstartup.csh
    
In most cases, all of this stuff may be safely discarded. If you do not know if you need this or not, it is probably safe to discard it. Add the following code at or near the beginning of your .login file:
    if ( -r /usr/local/lib/hepix/central_login.csh ) then
      source /usr/local/lib/hepix/central_login.csh
    endif
    
If you currently call the BABAR login script from your .login, remove it. The code will look similar to the that in the steps above, but with names like .bflogin. This completes the HEPiX setup.

Test the new setup from a separate session before you log out. If you need to back out of the changes, restore your original $HOME/.cshrc and $HOME/.login:

    > cd $HOME
    > cp original.cshrc .cshrc
    > cp original.login .login
    
Once you have demonstrated that you can open a new session, exit the old session.

Back to Logging In


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Last modified: December 2007