gash/tests/functions.org

;;; Gash -- Guile As SHell
;;; Copyright © 2016, 2017, 2018 R.E.W. van Beusekom <rutger.van.beusekom@gmail.com>
;;; Copyright © 2018, 2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
;;; Copyright © 2019 Timothy Sample <samplet@ngyro.com>
;;;
;;; This file is part of Gash.
;;;
;;; Gash is free software: you can redistribute it and/or modify
;;; it under the terms of the GNU General Public License as published by
;;; the Free Software Foundation, either version 3 of the License, or
;;; (at your option) any later version.
;;;
;;; Gash is distributed in the hope that it will be useful,
;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with Gash.  If not, see <http://www.gnu.org/licenses/>.

* function-at
:script:
#+begin_src sh
  foo () {
      echo $#:$@
      echo 0:$0
      echo 1:$1
      echo 2:$2
  }
  
  foo -v $@
#+end_src
:args: ("-s" "--long" "file0" "file1")
:stdout:
#+begin_example
  5:-v -s --long file0 file1
  0:test
  1:-v
  2:-s
#+end_example

* function
:script:
#+begin_src sh
  foo () {
      echo $1
  }
  
  echo before
  foo bar
  foo baz
  echo after
#+end_src
:stdout:
#+begin_example
  before
  bar
  baz
  after
#+end_example

* subst
:script:
#+begin_src sh
  subst () {
      sed \
          -e s",foo,bar,"\
          $1 > $2
  }
  
  subst tests/data/foo $TEST_TMP/foo.tmp
  cat $TEST_TMP/foo.tmp
  rm $TEST_TMP/foo.tmp
#+end_src

* Too many arguments to return
:script:
#+begin_src sh
  foo () {
      return 1 2 3
  }
  
  foo
#+end_src
:status: 1

* Top-level return
:script:
#+begin_src sh
  return
#+end_src
:status: 0