eval.def   [plain text]

This file is eval.def, from which is created eval.c.
It implements the builtin "eval" in Bash.

Copyright (C) 1987-2002 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.

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FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
for more details.

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with Bash; see the file COPYING.  If not, write to the Free Software
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$PRODUCES eval.c

$BUILTIN eval
$FUNCTION eval_builtin
$SHORT_DOC eval [arg ...]
Read ARGs as input to the shell and execute the resulting command(s).
$END

#include <config.h>
#if defined (HAVE_UNISTD_H)
#  ifdef _MINIX
#    include <sys/types.h>
#  endif
#  include <unistd.h>
#endif

#include "../shell.h"
#include "bashgetopt.h"
#include "common.h"

/* Parse the string that these words make, and execute the command found. */
int
eval_builtin (list)
     WORD_LIST *list;
{
  if (no_options (list))
    return (EX_USAGE);
  list = loptend;	/* skip over possible `--' */

  /* Note that parse_and_execute () frees the string it is passed. */
  return (list ? parse_and_execute (string_list (list), "eval", SEVAL_NOHIST) : EXECUTION_SUCCESS);
}