i-bash/builtins/eval.def

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.

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the terms of the GNU General Public License as published by the Free
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version.

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

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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);

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