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Top Forums Shell Programming and Scripting What is the difference executing a script with . in the front versus not putting a "." Post 302410992 by jim mcnamara on Wednesday 7th of April 2010 10:16:09 AM
Old 04-07-2010
Yes.
It is called "sourcing". The script runs in the context of the existing process, rather than in a child process. bash and some other envrionments provide the command "source" which does the same thing as well.

This allows any envrionment variable defined in .profile to become part of the calling process envrionment.
 

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