svMisc (version 0.9-46)

isHelp: Is there a help file and example to run associated with an object?

Description

Determine if 'topic' has a help file and example to run.

Usage

isHelp(topic, package = NULL, lib.loc = NULL)

Arguments

topic

name or literal character string: the online help topic to look for.

package

a character vector giving the package names to look into for help or example code, or NULL. By default, all packages in the search path are used.

lib.loc

a character vector of directory names of Rlibraries, or NULL. The default value of NULL corresponds to all libraries currently known. If the default is used, the loaded packages are searched before the libraries.

Value

• A logical vector with two elements. The first one indicating if there is a help file, and the second one indicating if there are examples associated with this help file.

See Also

help, example

Examples

isHelp("help")		# Help and example
isHelp("Rtangle")	# Help but no example
isHelp("notopic")	# No help or example