url.exists — url.exists • igvR

a helper function for mostly internal use, tests for availability of a url, modeled after file.exists

a helper function for mostly internal use, tests for availability of a url, modeled after file.exists

Usage

url.exists(url)

url.exists(url)

Arguments

url: character the http address to test

Value

logical TRUE or FALSE

logical TRUE or FALSE

Examples


if(interactive()){
   igv <- igvR()
   ping(igv)
   }