with_message_sink

with_output_sink

with_sink

<code>[character(1)|connection]</code>A writable <a href="/link/connection?package=withr&version=1.0.1" rd-options="" data-mini-rdoc="withr::connection">connection</a> or a character string naming the file to write
to. Passing <code>NULL</code> will throw an error.

<code>[any]</code>Code to execute in the temporary environment

code

logical.  If <code>TRUE</code>, output will be appended to
    <code>file</code>; otherwise, it will overwrite the contents of
    <code>file</code>.

append

logical: if <code>TRUE</code>, output will be sent to the new
    sink and to the current output stream, like the Unix program <code>tee</code>.

split

Temporarily divert output to a file via <code><a href="/link/sink?package=withr&version=1.0.1" rd-options="" data-mini-rdoc="withr::sink">sink</a></code>.  For
sinks of type <code>message</code>, an error is raised if such a sink is already
active.

A set of functions to run code 'with' safely and temporarily
    modified global state. Many of these functions were originally a part of the
    'devtools' package, this provides a simple package with limited dependencies
    to provide access to these functions.

with_sink: Output redirection

Description

Usage

Arguments

Value

See Also