Run an External Command and Process Stdout using shexp

Task

Operating System / Run an External Command and Process Stdout

Opam Packages Used

shexp Tested with version: v0.16.0 — Used libraries: shexp, shexp.process

Code
(* The module Shexp_process.Infix contains the `|-` (pipe) operator. ) open Shexp_process.Infix ( We use the pipe operator to build a sequence consisting of the single command `ps -x`, then `read_all` to obtain its standard output. *) let () = let ps_output = let open Shexp_process in eval (run "ps" ["-x"] |- read_all) in print_endline ps_output

The module Shexp_process.Infix contains the |- (pipe) operator.

open Shexp_process.Infix

We use the pipe operator to build a sequence consisting of the single command ps -x, then read_all to obtain its standard output.

let () =
  let ps_output =
    let open Shexp_process in
      eval (run "ps" ["-x"] |- read_all)
  in
  print_endline ps_output

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