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Version 4.89 released - with plugin sequencing

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Posted by Nick Gammon   Australia  (21,674 posts)  [Biography] bio   Forum Administrator
Date Sun 24 Feb 2013 12:40 AM (UTC)

I am pleased to release version 4.89 of MUSHclient. See the release notes for more details.


  • Fixed bug where the scroll bars would not be correct after doing DeleteLines. Also, the output window might go into "paused" mode (as a side-effect of this).
  • Added script function StopEvaluatingTriggers. This lets a trigger decide to stop further trigger evaluation (eg. because it knows it handled whatever-had-to-be-done).
  • Added a plugin "sequence" option. The sequence affects the evaluation order of triggers, aliases, and plugin callbacks. A lower sequence number means that plugin will be evaluated earlier.
  • Added selector 25 to GetPluginInfo - returns the plugin sequence number.


You can view the release notes for version 4.89

You can download MUSHclient 4.89 now from ...

You are strongly advised to backup (make a copy of) your existing MUSHclient world files before upgrading. Just in case.

If there are any problems, please post messages to the Bug Reports, Suggestions, or General parts of this forum.

MD5 sum for the installer

If you do an md5sum on mushclient489.exe you should get this result:


The forum post a small script to sumcheck the MUSHclient download shows how you can write a small script in MUSHclient to do the sumcheck. It also lists some places you can download md5sum.exe to do the sumcheck (if this is the first time you have downloaded MUSHclient).

One way of doing an md5sum is to download the Installer_sumcheck plugin from the Plugins page (RH click that link and "save link as" to get the plugin). Then install the plugin (see the File menu -> Plugins) and type "md5sum" which lets you browse to the installer file, load it, and display the sumcheck.

Message about "Failed to load resources file"

Some users are reporting getting a message like "Failed to load resources file: C:\Programme\MUSHclient\locale\DE.dll - trying English file" when starting MUSHclient (the DE.dll part might be another language like FR.dll).

This will be because you have customized the "locale" of MUSHclient to other than EN (English). See the How to localize MUSHclient messages into other languages forum posting for more details about localization.

To fix this, find the directory you installed MUSHclient into (eg. "C:\Program Files\MUSHclient\") and then locate the subdirectory "locale". In that you will find a file en.dll. Copy or rename that file to match the missing file in the message (eg. copy en.dll to de.dll).

Alternative suggestion: Go into the File menu -> Global Preferences -> General, and change the field "Locale code" back to "EN" (English) and then it should look for EN.DLL next time.

Warning about Lua 5.1 upgrade (September 2006)

MUSHclient version 3.80 upgraded the Lua script engine from Lua 5.0.2 to 5.1.1. If you are upgrading to this version from an earlier version than 3.80, you should read Version 3.80 released - with Lua 5.1 script engine - this post has recommendations about what is required if you use Lua scripting or Lua plugins. Note: Since version 3.80 was released, the version of Lua has been upgraded. It is currently 5.1.4. Some versions (versions 4.49 to 4.52 of MUSHclient) may incorrectly report they are using Lua 5.1.1 when you open a world.

Warning about upgrading from versions prior to 3.21 (May 2002)

MUSHclient version 3.85 (onwards) no longer reads the old "binary" world files produced by versions prior to 3.21. For more information about this please read the forum post Versions 3.85 onwards no longer support world files created prior to version 3.21 - this post has recommendations about how to upgrade your world files if you are upgrading from a version earlier than 3.21.

Note that version 3.21 was released quite a few years ago (May 2002), so people who have recently installed MUSHclient should not have any problems.

Source code

The source code for this version is available from GitHub:


You can directly download the source from the Downloads page (http://github.com/nickgammon/mushclient/downloads), or preferably install Git and use the appropriate commands to clone or pull the source. For some suggestions about getting the source from Git see MUSHclient source being made available on GitHub forum posting.

If you install Git, subsequent downloads (of new versions) will be much faster as it only needs to download the changes, not the whole source. Also by using Git you can find out exactly what has changed from version to the next.

Summary of changes in this version

$ git --no-pager diff v4.88..v4.89 --stat

 MUSHclient.rc                          |   10 +++++-----
 ProcessPreviousLine.cpp                |   14 ++++++++++++--
 doc.cpp                                |    2 ++
 doc.h                                  |   20 ++++++++++++++++++--
 install/readme.txt                     |    4 ++--
 mushclient.cnt                         |    1 +
 mushclient.odl                         |   17 +++++++++--------
 plugins.cpp                            |    1 +
 plugins.h                              |    3 +++
 resource.h                             |    2 +-
 scripting/functionlist.cpp             |    1 +
 scripting/lua_methods.cpp              |   11 +++++++++++
 scripting/methods/methods_output.cpp   |    8 +++++---
 scripting/methods/methods_plugins.cpp  |    2 ++
 scripting/methods/methods_triggers.cpp |    7 +++++++
 world_debug.cpp                        |    1 +
 xml/xml_load_world.cpp                 |   14 ++++++++++++--
 17 files changed, 93 insertions(+), 25 deletions(-)


Commit log (date order)

$ git --no-pager log --pretty=oneline --reverse --abbrev-commit v4.88..v4.89

3d9f19d Updated version number to 4.89
58e0045 Fixed bug where DeleteLines would not adjust scroll bar positions properly
bd11114 Tidy ups to DeleteLines bug
0ff3058 Added script function StopEvaluatingTriggers
df9c170 Added 'sequence' option for plugins, to control sequencing
8eb1d80 Added selector 25 to GetPluginInfo - returns the plugin sequence number

- Nick Gammon

www.gammon.com.au, www.mushclient.com
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