# should exist
Sys.which("bash")## bash
## "/usr/bin/bash"
Sys.which("sh")## sh
## "/usr/bin/sh"
Does bash work?
echo hello world
echo 'a b c' | sed 's/ /\|/g'
# number of lines
awk 'END{print NR;}' 027-engine-bash.Rmd## hello world
## a|b|c
## 23
How about sh?
# run wc on all engine examples
wc 027-engine-bash.Rmd## 23 53 347 027-engine-bash.Rmd