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|
;;; Gash -- Guile As SHell
;;; 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/>.
* Reads a single variable
:script:
#+begin_src sh
echo foo | {
read x
echo $x
}
#+end_src
:stdout:
#+begin_example
foo
#+end_example
* Reads multiple variables
:script:
#+begin_src sh
echo foo bar | {
read x y
echo $x
echo $y
}
#+end_src
:stdout:
#+begin_example
foo
bar
#+end_example
* Handles more variables than fields
:script:
#+begin_src sh
echo foo bar baz | {
read x y
echo $x
echo $y
}
#+end_src
:stdout:
#+begin_example
foo
bar baz
#+end_example
* Handles more fields than variables
:script:
#+begin_src sh
echo foo | {
read x y
echo $x
echo $y
}
#+end_src
:stdout:
#+begin_example
foo
#+end_example
* Trims whitespace in extra fields
:script:
#+begin_src sh
echo foo bar 'baz ' | {
read x y
echo $x
echo $y
}
#+end_src
:stdout:
#+begin_example
foo
bar baz
#+end_example
* Allows escaping line breaks
:script:
#+begin_src sh
echo 'foo\
bar' | {
read x
echo $x
}
#+end_src
:stdout:
#+begin_example
foobar
#+end_example
* Understands raw input flag
:script:
#+begin_src sh
echo 'foo\
bar' | {
read -r x
echo $x
}
#+end_src
:stdout:
#+begin_example
foo\
#+end_example
|
