\ Copyright (C) 2001,2003 Free Software Foundation, Inc.
\ This file is part of Gforth.
\ Gforth 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.
\ This program 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 this program. If not, see http://www.gnu.org/licenses/.
\ scripting extensions
: sh-eval ( addr u -- )
\G evaluate string + rest of command line
2dup 2>r >in @ >r negate
source >in @ 1- /string + c@ bl <> + >in +! drop sh
$? IF r> >in ! 2r> defers interpreter-notfound
ELSE rdrop 2rdrop THEN ;
' sh-eval IS interpreter-notfound
2Variable sh$ 0. sh$ 2!
: sh-get ( addr u -- addr' u' )
\G open command addr u, and read in the result
r/o open-pipe throw dup >r slurp-fid
r> close-pipe throw to $? 2dup sh$ 2! ;
:noname '` parse sh-get ;
:noname '` parse postpone SLiteral postpone sh-get ;