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Functions\n\n| __Expression__                | __Meaning__                                                     |\n| -----------------             | --------------                                                  |\n| `${var}`                      | Value of `$var`\n| `${#var}`                     | String length of `$var`\n| `${var^}`                     | Uppercase first character of `$var`\n| `${var^^}`                    | Uppercase all characters in `$var`\n| `${var,}`                     | Lowercase first character of `$var`\n| `${var,,}`                    | Lowercase all characters in `$var`\n| `${var:n}`                    | Offset `$var` `n` characters from start\n| `${var:n:len}`                | Offset `$var` `n` characters with max length of `len`\n| `${var#pattern}`              | Strip shortest `pattern` match from start\n| `${var##pattern}`             | Strip longest `pattern` match from start\n| `${var%pattern}`              | Strip shortest `pattern` match from end\n| `${var%%pattern}`             | Strip longest `pattern` match from end\n| `${var-default`               | If `$var` is not set, evaluate expression as `$default`\n| `${var:-default`              | If `$var` is not set or is empty, evaluate expression as `$default`\n| `${var=default`               | If `$var` is not set, evaluate expression as `$default`\n| `${var:=default`              | If `$var` is not set or is empty, evaluate expression as `$default`\n| `${var/pattern/replacement}`  | Replace as few `pattern` matches as possible with `replacement`\n| `${var//pattern/replacement}` | Replace as many `pattern` matches as possible with `replacement`\n| `${var/#pattern/replacement}` | Replace `pattern` match with `replacement` from `$var` start\n| `${var/%pattern/replacement}` | Replace `pattern` match with `replacement` from `$var` end\n\nFor a deeper reference, see [bash-hackers](https://wiki.bash-hackers.org/syntax/pe#case_modification) or [gnu pattern matching](https://www.gnu.org/software/bash/manual/html_node/Pattern-Matching.html).\n\n## Unsupported Functions\n\n* `${var-default}`\n* `${var+default}`\n* `${var:?default}`\n* `${var:+default}`\n\n[doc]: http://godoc.org/github.com/drone/envsubst\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fdrone%2Fenvsubst","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fdrone%2Fenvsubst","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fdrone%2Fenvsubst/lists"}