To my knowledge you'll have to manually source the rc file in each running instance of the shell.
If you want to be clever, and anticipate doing this often enough, you could put the following command into your .bashrc file:
Once that is set in a running instance of bash, you then only need to send a SIGUSR1 (16) to the process and it will resource the .bashrc file. You could write a small script that susses out all of your running login/interactive shells and executes the necessary kill -16 command. You could pick another signal, but this seems just fine for this case.
Hope this helps some.
Last edited by agama; 05-09-2011 at 11:46 PM..
Reason: typo
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