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lang-bash
sourceis to run in the same shell. E.g. if you tryecho foo=bar | source /dev/stdin, you can check thatfoodoes not get set. You might try withlastpipeset, but it doesn't work in interactive shells (though I'm not sure if that's a problem in the context here)lastpipe.sourceis not portable, it is a bash alias for the standard POSIX.command (changesource .xto. .x)