diff options
Diffstat (limited to 'builtins/alias.def')
| -rw-r--r-- | builtins/alias.def | 50 |
1 files changed, 31 insertions, 19 deletions
diff --git a/builtins/alias.def b/builtins/alias.def index 572910b..d760ceb 100644 --- a/builtins/alias.def +++ b/builtins/alias.def @@ -1,35 +1,43 @@ This file is alias.def, from which is created alias.c It implements the builtins "alias" and "unalias" in Bash. -Copyright (C) 1987-2004 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 alias $FUNCTION alias_builtin $DEPENDS_ON ALIAS $PRODUCES alias.c $SHORT_DOC alias [-p] [name[=value] ... ] -`alias' with no arguments or with the -p option prints the list -of aliases in the form alias NAME=VALUE on standard output. +Define or display aliases. + +Without arguments, `alias' prints the list of aliases in the reusable +form `alias NAME=VALUE' on standard output. + Otherwise, an alias is defined for each NAME whose VALUE is given. A trailing space in VALUE causes the next word to be checked for -alias substitution when the alias is expanded. Alias returns -true unless a NAME is given for which no alias has been defined. +alias substitution when the alias is expanded. + +Options: + -p Print all defined aliases in a reusable format + +Exit Status: +alias returns true unless a NAME is supplied for which no alias has been +defined. $END #include <config.h> @@ -103,7 +111,7 @@ alias_builtin (list) free (alias_list); /* XXX - Do not free the strings. */ if (list == 0) - return (EXECUTION_SUCCESS); + return (sh_chkwrite (EXECUTION_SUCCESS)); } any_failed = 0; @@ -149,8 +157,12 @@ $BUILTIN unalias $FUNCTION unalias_builtin $DEPENDS_ON ALIAS $SHORT_DOC unalias [-a] name [name ...] -Remove NAMEs from the list of defined aliases. If the -a option is given, -then remove all alias definitions. +Remove each NAME from the list of defined aliases. + +Options: + -a remove all alias definitions. + +Return success unless a NAME is not an existing alias. $END #if defined (ALIAS) |