github.com/hugorut/terraform@v1.1.3/website/docs/language/functions/join.mdx (about)

     1  ---
     2  page_title: join - Functions - Configuration Language
     3  description: |-
     4    The join function produces a string by concatenating the elements of a list
     5    with a given delimiter.
     6  ---
     7  
     8  # `join` Function
     9  
    10  `join` produces a string by concatenating together all elements of a given
    11  list of strings with the given delimiter.
    12  
    13  ```hcl
    14  join(separator, list)
    15  ```
    16  
    17  ## Examples
    18  
    19  ```
    20  > join(", ", ["foo", "bar", "baz"])
    21  foo, bar, baz
    22  > join(", ", ["foo"])
    23  foo
    24  ```
    25  
    26  ## Related Functions
    27  
    28  * [`split`](/language/functions/split) performs the opposite operation: producing a list
    29    by separating a single string using a given delimiter.