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Say I have a script that is always run from an interactive shell. I would like this script to launch an interactive subshell that is a replica of the parent (i.e., all environment variables, etc … . preserved) and then run arbitrary commands (specifically, I would like to amend PS1 and define a few aliases). I need a genuine subshell (rather than using source, otherwise environment variables won't …
asked Jan 14 '16 by Xophmeister