# ListCompact

Compacts a list by removing empty items from the start and end of the list

## Method Signature

```
ListCompact(list=[string], delimiter=[string], multiCharacterDelimiter=[boolean])
```

### Arguments

| Argument                  | Type      | Required | Description                                      | Default |
| ------------------------- | --------- | -------- | ------------------------------------------------ | ------- |
| `list`                    | `string`  | `true`   | The list to compact                              |         |
| `delimiter`               | `string`  | `false`  | string the list delimiter                        | `,`     |
| `multiCharacterDelimiter` | `boolean` | `false`  | boolean whether the delimiter is multi-character | `false` |

## Examples

### Trims first and last comma from list string

[Run Example](https://try.boxlang.io/?code=eJzLySwucc7PLUhMLtFQUNJJTU8v1snNzMnWSSpKTUzRScvJLy3SUVLQtOYCAEI9DfM%3D)

```java
listCompact( ",eggs,milk,bread,flour," );

```

Result: eggs,milk,bread,flour

### Additional Examples

[Run Example](https://try.boxlang.io/?code=eJxVjssKwjAQRff9iiGrlhkMPnbFlS4VBb8g1tEG8iKZ2N%2B3UBG8uwuXc4%2FWcLM%2BOYZnDYPYGJopW%2BFLlVSlBWeLHKJPZpiLIqKrM0HolZkDFfNmYpNlJFLQQdc3WsOZ%2FZ3zjweTlRGGWiR6eLCzfsbnpkg%2BFYE9KERc4wa3uMMlql8cjtWnFpbh6l8Ev3cf5Ps80Q%3D%3D)

```java
// Simple function
writeOutput( listCompact( ",,,Plant,green,save,earth,," ) );
// Member function with custom delimiter
strLst = "+++1+2+3+4+++++++";
writeDump( strLst.listCompact( "+" ) );

```

## Related

* [GetToken](/boxlang-language/reference/built-in-functions/list/gettoken.md)
* [ListAppend](/boxlang-language/reference/built-in-functions/list/listappend.md)
* [ListAvg](/boxlang-language/reference/built-in-functions/list/listavg.md)
* [ListChangeDelims](/boxlang-language/reference/built-in-functions/list/listchangedelims.md)
* [ListContains](/boxlang-language/reference/built-in-functions/list/listcontains.md)
* [ListContainsNoCase](/boxlang-language/reference/built-in-functions/list/listcontainsnocase.md)
* [ListDeleteAt](/boxlang-language/reference/built-in-functions/list/listdeleteat.md)
* [ListEach](/boxlang-language/reference/built-in-functions/list/listeach.md)
* [ListEvery](/boxlang-language/reference/built-in-functions/list/listevery.md)
* [ListFilter](/boxlang-language/reference/built-in-functions/list/listfilter.md)
* [ListFind](/boxlang-language/reference/built-in-functions/list/listfind.md)
* [ListFindNoCase](/boxlang-language/reference/built-in-functions/list/listfindnocase.md)
* [ListFirst](/boxlang-language/reference/built-in-functions/list/listfirst.md)
* [ListGetAt](/boxlang-language/reference/built-in-functions/list/listgetat.md)
* [ListGetEndings](/boxlang-language/reference/built-in-functions/list/listgetendings.md)
* [ListIndexExists](/boxlang-language/reference/built-in-functions/list/listindexexists.md)
* [ListInsertAt](/boxlang-language/reference/built-in-functions/list/listinsertat.md)
* [ListItemTrim](/boxlang-language/reference/built-in-functions/list/listitemtrim.md)
* [ListLast](/boxlang-language/reference/built-in-functions/list/listlast.md)
* [ListLen](/boxlang-language/reference/built-in-functions/list/listlen.md)
* [ListMap](/boxlang-language/reference/built-in-functions/list/listmap.md)
* [ListNone](/boxlang-language/reference/built-in-functions/list/listnone.md)
* [ListPrepend](/boxlang-language/reference/built-in-functions/list/listprepend.md)
* [ListQualify](/boxlang-language/reference/built-in-functions/list/listqualify.md)
* [ListReduceRight](/boxlang-language/reference/built-in-functions/list/listreduceright.md)
* [ListRemoveDuplicates](/boxlang-language/reference/built-in-functions/list/listremoveduplicates.md)
* [ListRest](/boxlang-language/reference/built-in-functions/list/listrest.md)
* [ListSetAt](/boxlang-language/reference/built-in-functions/list/listsetat.md)
* [ListSome](/boxlang-language/reference/built-in-functions/list/listsome.md)
* [ListSort](/boxlang-language/reference/built-in-functions/list/listsort.md)
* [ListToArray](/boxlang-language/reference/built-in-functions/list/listtoarray.md)
* [ListTrim](/boxlang-language/reference/built-in-functions/list/listtrim.md)
* [ListValueCount](/boxlang-language/reference/built-in-functions/list/listvaluecount.md)
* [ListValueCountNoCase](/boxlang-language/reference/built-in-functions/list/listvaluecountnocase.md)


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