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is it possible to set the environment variable here, to the value of another variable?
<https://www.infracost.io/docs/features/config_file/#examples>

Hey Guy - no this isn’t currently possible, you’d have to use the real value of these env vars to get picked up. If you don’t have access to these values until pipeline runtime you could use something using something like `sed`  to replace the matching string.

e.g, something like:

```sed -i "s/$ENV_VAR/PLACEHOLDER_VALUE/g" "infracost.yml"```


<@U0416TZ8086> you could also do something like this:

```version: 0.1

projects:
  - path: dev
    usage_file: dev/infracost-usage.yml
    env:
      AWS_PROFILE: ${ENV_VAR}```

with this notation `${ENV_VAR}` I think so