id: "m4"
name: "m4"

install:
  apt:
    - m4

repl: |
  echo 'Reading from stdin...' >&2; m4
input: |
  eval(123 * 234)

main: "main.m4"
template: |
  errprint(`Hello, world!')

run: |
  echo 'Reading from stdin...' >&2; m4 main.m4 -

scope:
  code: |
    define(`x', eval(123 * 234))