Import a Command Line Interface (CLI) tool into R as a function.
Examples
if (FALSE) { # \dontrun{
mycurl <- import_cli(path="curl")
mycurl(h = TRUE)
mycurl(url= file.path("http://hgdownload.soe.ucsc.edu/goldenPath",
"hg38/multiz100way/md5sum.txt"),
o="~/Downloads/tmp.txt")
} # }