Software Engineering :: Operating Systems :: Linux :: Command :: envsubst

readme.md

Software Engineering :: Operating Systems :: Linux :: Command :: envsubst

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articles

• How to substitute shell variables in complex text files
• Replacing only specific variables with envsubst
• What is SHELL-FORMAT in envsubst?
• 15.5.12.5 Invoking the envsubst program
• How to Replace Environment Variables Using the envsubst Command

examples

substitute variables in cloudformation template

envsubst  '${NAME} ${REPO} ${DNS_TAG} ${VERSION_TAG} ${DESIRED_COUNT}' < templates/cloudformation.template > templates/cloudformation.yaml

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