listbas.rst


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=======
listbas
=======

--------------------------------------------------------
List the source of a tokenized Atari 8-bit BASIC program
--------------------------------------------------------

.. include:: manhdr.rst

SYNOPSIS
========

listbas [**-v**] [**-i**] [**-a** | **-u** ] **input-file**

DESCRIPTION
===========

**listbas** acts like the *LIST* command in BASIC. It reads a
tokenized (SAVEd) BASIC program and prints the code in human-readable
format.

By default, output is piped through **a8eol**\(1), to convert ATASCII
characters to human-readable sequences. Raw ATASCII and Unicode output
are also available.

**a8eol**\(1) and **a8utf8**\(1) (for **-u**) are run as external
processes. The executables are searched for first in the current
directory, and then in *PATH*.

OPTIONS
=======

List options
------------

**-i**
  Include the immediate mode command (line 32768) in the output.

**-a**
  Output raw ATASCII; no translation to the host character set. Must be
  used with redirection; **listbas** will not write ATASCII to the terminal.

**-u**
  Use **a8utf8**\(1) to translate ATASCII to ASCII.

.. include:: genopts.rst

NOTES
=====

**listbas** will refuse to operate on a LIST-protected program with
scrambled variable names. For code-protected programs, it will stop at
the line with the invalid offset. Use **unprotbas**\(1) to remove the
protection.

**listbas** is similar to Jindroush's **chkbas**\(1). The main differences are:

- **listbas** only supports Atari BASIC, not Turbo BASIC or BASIC XL/XE.

- **listbas** doesn't show information about the variables. Use **vxrefbas**\(1)
  for that.

- **listbas** will not write ATASCII data to your terminal. Instead, it uses
  **a8eol**\(1) or **a8utf8**\(1) to convert the output to something human-readable
  that won't confuse the terminal.

- **listbas** only lists line 32768 (the immediate mode command) if
  specifically asked to do so.

- **listbas** doesn't print a banner on startup.

- **listbas** tells you if the program is protected, and refuses to operate
  on variable-protected programs.

EXIT STATUS
===========

0 for success, 1 for failure.

.. include:: manftr.rst