MLU Command Issue in the CHILDES Browsable Database

Yasuhito KIDO kido1221 at gmail.com
Fri Oct 16 14:17:08 UTC 2026


Dear all,

Thank you for fixing the problem with MLU. MLU now works, but the same
file-access problem still occurs with KWAL in the Browsable Database.

In childes/Eng-NA/Brown/Adam/, I selected kwal and entered:
+tCHI +swant* +w2 -w2 020304.cha

The output was:
**** WARNING: No file matching "020304.cha" was found.

The file 020304.cha is displayed in the folder, and the same file can now
be processed with MLU. Could you please check the KWAL configuration as
well?
[image: image.png]

Best regards,
Yasuhito Kido


2026年10月16日(金) 9:34 Yasuhito KIDO <kido1221 at gmail.com>:

> Dear all,
>
> I hope this email finds you well.
>
> I am writing to ask about an issue with the MLU command in the CHILDES
> Browsable Database.
>
> I have been experiencing the same problem that Prof. Ken Nakatani reported
> previously. When I try to run the MLU command, I receive the following
> warning message:
>
> **** WARNING: No file matching "*.cha" was found.
>
> The problem still seems to persist, and I have been unable to calculate
> MLU using the Browsable Database.
>
> As I use the Browsable Database in my undergraduate classes, I would
> greatly appreciate any advice on how to resolve this issue or whether there
> is an alternative way to calculate MLU.
>
> I understand that the CHILDES environment is undergoing changes, and I
> sincerely appreciate all the work involved in maintaining and improving
> these resources.
>
> Thank you very much for your time and assistance.
>
> Best regards,
> Yasuhito Kido
>

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