logging (version 0.4-42)

addHandler: add a handler to a logger

Description

creates a new named handler list, attaches it to the specified logger and registers a defines a function as a handler of log records going through the specified logger.

Usage

addHandler(handler, ..., level = 20, logger = "", formatter = defaultFormat)
## S3 method for class 'default':
addHandler(handler, ..., level=20, logger='',
                   formatter=defaultFormat)
## S3 method for class 'character':
addHandler(handler, action, ..., level=20, logger='',
                   formatter=defaultFormat)

Arguments

handler

the name of the handler, or its action

action

the action of the handler, if you provided its name

...

extra parameters for the action, to be stored in the handler list

level

the level of the handler, defaults to 20 (INFO)

logger

the name of the logger to which to attach the new handler, defaults to the root logger

formatter

a function taking a record and producing a string.

Details

a handler has a name and at least the three fields: [object Object],[object Object],[object Object]

further a handler may have as many fields as you think you need. keep in mind the handler (and all of its fields) are passed to the action function.