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bash script - Check if environment variable was set.

Dênis Mendes
Developer
・1 min read

Here's how you check if a environment variable was set using a bash script:

#!/bin/bash

if [ -z "$AWS_ACCESS_KEY_ID" ]; then
  echo "You need to set AWS credentials! Check out the project documentation."
  exit;
fi
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This script is working on macOS Catalina.

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