57 lines
1.6 KiB
Modula-2
57 lines
1.6 KiB
Modula-2
This file is eval.def, from which is created eval.c.
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It implements the builtin "eval" in Bash.
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Copyright (C) 1987-2016 Free Software Foundation, Inc.
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This file is part of GNU Bash, the Bourne Again SHell.
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Bash is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Bash is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Bash. If not, see <http://www.gnu.org/licenses/>.
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$PRODUCES eval.c
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$BUILTIN eval
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$FUNCTION eval_builtin
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$SHORT_DOC eval [arg ...]
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Execute arguments as a shell command.
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Combine ARGs into a single string, use the result as input to the shell,
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and execute the resulting commands.
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Exit Status:
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Returns exit status of command or success if command is null.
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$END
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#include <config.h>
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#if defined (HAVE_UNISTD_H)
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# ifdef _MINIX
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# include <sys/types.h>
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# endif
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# include <unistd.h>
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#endif
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#include "../shell.h"
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#include "bashgetopt.h"
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#include "common.h"
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/* Parse the string that these words make, and execute the command found. */
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int
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eval_builtin (list)
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WORD_LIST *list;
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{
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if (no_options (list))
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return (EX_USAGE);
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list = loptend; /* skip over possible `--' */
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return (list ? evalstring (string_list (list), "eval", SEVAL_NOHIST) : EXECUTION_SUCCESS);
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}
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