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How to properly restore settings when running a script using "source"?

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Tags: bash shell-scripting
Clipped on: 2018-01-03

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I'm writing a script that needs to be executed using source, because its task is to modify the environment. During the script, I want to use set -e so that any error stops the script. The script looks like this:

set -e
# do something
cd somewhere
source anotherScript

The problem is that set -e naturally remains in effect after the script finishes. How can I ensure that the altered set option is properly restored to its prevous value when the script stops (in any way - either by completing successfully or on an error)?

asked Sep 21 '13 at 7:33

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