# file

## Description

* Update an existing file in the Cauldron

## Syntax

`ern cauldron update file <localFilePath> <cauldronFilePath>`

**Arguments**

`<localFilePath>`

* Absolute path to a file to overwrite Cauldron target file with

`<cauldronFilePath>`

* Target file path in the Cauldron, of the file to update (overwrite)
* Relative to the root of the Cauldron repository
* Should include target file name (can be same as source filename or different)
* Source file name can be different&#x20;
* The file referenced by the path should exist in the Cauldron

## Examples

* `ern cauldron update file /Users/username/bar.json foo/bar.json` &#x20;

  Overwrite file `bar.json` in the Cauldron directory `foo`, with the file `bar.json` located in local path `/Users/username`

## Related commands

[ern cauldron add file](/v0.40/cli-commands/cauldron-add/file.md) | Add a file to the Cauldron\
\[ern cauldron del file] | Remove a file from the Cauldron

\[ern cauldron del file]: ../del/file.md


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