R: Returns MRAN URL by querying options and defaults.

mranUrl {checkpoint} | R Documentation

## Returns MRAN URL by querying options and defaults.

### Description

This function returns the current MRAN URL. The default for this is `http(s)://mran.microsoft.com/`, and is defined by setting the `checkpoint.mranUrl` option.

### Usage

    mranUrl()

### Value

Character string with URL

### Defining a new MRAN URL

To force `checkpoint()` to point to a differt URL, you can set the `checkpoint.mranUrl` option.

`options(checkpoint.mranUrl = "new_url")`

### See Also

Other checkpoint functions: `checkpointArchives`, `checkpointRemove`, `checkpoint`, `getAccessDate`, `getValidSnapshots`, `setSnapshot`, `unCheckpoint`

### Examples

    mranUrl()

    ## Not run:

    # Store the existing options
    old_opts <- getOption("checkpoint.mranUrl")

    # Set MRAN URL to different http address
    options(checkpoint.mranUrl = "https://foobah")

    # Set MRAN URL to local file address
    options(checkpoint.mranUrl = "file:///~")

    # Reset the original options
    options(checkpoint.mranUrl = old_opts)

    ## End(Not run)

[Package checkpoint version 0.4.1 Index]