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devzom/read-env.sh

Created March 16, 2022 14:55
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bash: Read .env file variable in Bash
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read-env.sh
# this will skip search for lines with variable starting with # (hashtag) ex: # VAR1 as its commented out
# Ex: we have .env file with variables:
# #VAR1=123
# VAR2=xyz
# NPM_TOKEN=12312323fdf21313
export "$(grep -vE "^(#.*|\s*)$" .env)"
# didn't respond VAR1 as it contain #, so it's commented out.
# responds with single value ex NPM_TOKEN:
echo $NPM_TOKEN # just print the single variable
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