Run system commands with event-log integration
run(command, args, options, emit) → {Promise}
Run a system command with stdout/err being emitted as 'event-log' events on the @node-red/util/events handler.
The main arguments to this function are the same as passed to child_process.spawn
Parameters:
| Name | Type | Description |
|---|---|---|
command |
String
|
the command to run |
args |
Array
|
arguments for the command |
options |
Object
|
options to pass child_process.spawn |
emit |
Boolean
|
whether to emit events to the event-log for each line of stdout/err |
Returns:
- Type:
-
Promise
A promise that resolves (rc=0) or rejects (rc!=0) when the command completes. The value of the promise is an object of the form:
{
code: <exit code>,
stdout: <standard output from the command>,
stderr: <standard error from the command>
}