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

Copyright (C) 1987, 1989, 1991 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 distributed in the hope that it will be useful, but WITHOUT ANY
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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
Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA.

$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);

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