Checks if some .exe is available in on the Windows machine search PATH

Checks the existence of an .exe extention in the search path for executable files

is.exe.installed(exe_file)

Arguments

exe_file	a character with the name of the executable to be looked for

Value

A boolean vector indicating the existence of each program's availability on the system.

Examples

if (FALSE) {
is.exe.installed(c("zip.exe", "Rgui.exe", "blablabla")) # [1]  TRUE  TRUE FALSE
is.exe.installed("7z") 
}