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adduc/script.sh

Created February 10, 2021 19:50
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Bash: Load config without overwriting existing env variables
Raw
script.sh
# export current environment
EXISTING_ENV=$(export -p)
# import variables from file
. config.env
# import previous environment
source <(echo "$EXISTING_ENV")
# At this point, only variables from config.env that did
# not exist in the environment will have been declared.
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