36 lines
863 B
Markdown
36 lines
863 B
Markdown
---
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layout: "language"
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page_title: "join - Functions - Configuration Language"
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sidebar_current: "docs-funcs-string-join"
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description: |-
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The join function produces a string by concatenating the elements of a list
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with a given delimiter.
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---
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# `join` Function
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-> **Note:** This page is about Terraform 0.12 and later. For Terraform 0.11 and
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earlier, see
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[0.11 Configuration Language: Interpolation Syntax](../../configuration-0-11/interpolation.html).
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`join` produces a string by concatenating together all elements of a given
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list of strings with the given delimiter.
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```hcl
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join(separator, list)
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```
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## Examples
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```
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> join(", ", ["foo", "bar", "baz"])
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foo, bar, baz
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> join(", ", ["foo"])
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foo
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```
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## Related Functions
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* [`split`](./split.html) performs the opposite operation: producing a list
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by separating a single string using a given delimiter.
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