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terraform/website/docs/configuration/functions/join.html.md
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language join - Functions - Configuration Language docs-funcs-string-join The join function produces a string by concatenating the elements of a list with a given delimiter.

join Function

-> Note: This page is about Terraform 0.12 and later. For Terraform 0.11 and earlier, see 0.11 Configuration Language: Interpolation Syntax.

join produces a string by concatenating together all elements of a given list of strings with the given delimiter.

join(separator, list)

Examples

> join(", ", ["foo", "bar", "baz"])
foo, bar, baz
> join(", ", ["foo"])
foo

Related Functions

  • split performs the opposite operation: producing a list by separating a single string using a given delimiter.