locate_exec: Find an executable

In davidgohel/locatexec: External Program Localization

Description

Searches for an executable in a some places and use the highest version found (unless a specific version is requested).

Usage

locate_exec(exec, cache = TRUE, dir = NULL, version = NULL)

Arguments

exec	executable identifier, a single character. Use one of these values: chrome: "Google Chrome" executable libreoffice: "LibreOffice" executable node: "node.js" executable npm: "npm" executable python: "python" executable pip: "pip" executable
cache	if FALSE, search for the executable again even if the executable has been found previously.
dir	A character vector of directory paths under which the executable may be found.
version	The version of the executable to look for (e.g., "14.15.4"). If NULL (the default), it searches for the highest version.

Value

A list containing the directory and version of the executable if found. If not found, the version will be 0 and the dir will be NULL.

Examples

locate_exec("chrome")
locate_exec("chrome", version = "88.0.4324.150")
locate_exec("libreoffice")
locate_exec("node")
locate_exec("npm")
locate_exec("python")
locate_exec("pip")

davidgohel/locatexec documentation built on Feb. 17, 2021, 9:46 a.m.