diff options
Diffstat (limited to 'builtins/let.def')
| -rw-r--r-- | builtins/let.def | 39 |
1 files changed, 20 insertions, 19 deletions
diff --git a/builtins/let.def b/builtins/let.def index ab43a45..2601fb9 100644 --- a/builtins/let.def +++ b/builtins/let.def @@ -1,33 +1,34 @@ This file is let.def, from which is created let.c. It implements the builtin "let" in Bash. -Copyright (C) 1987-2002 Free Software Foundation, Inc. +Copyright (C) 1987-2009 Free Software Foundation, Inc. This file is part of GNU Bash, the Bourne Again SHell. -Bash 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 2, or (at your option) any later -version. +Bash 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. -Bash 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. +Bash 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 Bash; see the file COPYING. If not, write to the Free Software -Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. +You should have received a copy of the GNU General Public License +along with Bash. If not, see <http://www.gnu.org/licenses/>. $BUILTIN let $FUNCTION let_builtin $PRODUCES let.c $SHORT_DOC let arg [arg ...] -Each ARG is an arithmetic expression to be evaluated. Evaluation -is done in fixed-width integers with no check for overflow, though -division by 0 is trapped and flagged as an error. The following -list of operators is grouped into levels of equal-precedence operators. -The levels are listed in order of decreasing precedence. +Evaluate arithmetic expressions. + +Evaluate each ARG as an arithmetic expression. Evaluation is done in +fixed-width integers with no check for overflow, though division by 0 +is trapped and flagged as an error. The following list of operators is +grouped into levels of equal-precedence operators. The levels are listed +in order of decreasing precedence. id++, id-- variable post-increment, post-decrement ++id, --id variable pre-increment, pre-decrement @@ -59,8 +60,8 @@ Operators are evaluated in order of precedence. Sub-expressions in parentheses are evaluated first and may override the precedence rules above. -If the last ARG evaluates to 0, let returns 1; 0 is returned -otherwise. +Exit Status: +If the last ARG evaluates to 0, let returns 1; let returns 0 otherwise.. $END #include <config.h> |