# [tex-live] TL2018: Problems with filenames

TANAKA Takuji ttk at t-lab.opal.ne.jp
Fri May 11 16:21:08 CEST 2018

Hi,
I (takuji) had proposed the "command_line_encoding" function on Windows
in 2014, firstly written for (e)upTeX.

> Could it have bad side effects (e.g. for older windows or for other
> locales) if the line is there by default?
If a latex input file coded by latin-1 like fileA.tex as follows,
non-ascii-A.tex cannot be opened with "command_line_encoding=utf-8".
On the other hand, a latex input file coded by utf-8 like fileB.tex as follows,
non-ascii-A.tex can be opened with "command_line_encoding=utf-8".

I do not recommend for someone who prefer legacy encoding
to set "command_line_encoding=utf-8".

> for older windows
I do not expect to work the function on Windows ME or 95 or older.
I think it's OK on Windows NT, 2000 or later.

> And if yes, how can someone who wants to disable the setting again
> in a local texmf.cnf do it? With an empty argument?
command_line_encoding=none

===== fileA.tex =====
% -*- coding: latin-1 -*-
\documentclass{article}
\begin{document}
\input{non-ascii-A.tex}
\end{document}
======

===== fileB.tex =====
% -*- coding: utf-8 -*-
\documentclass{article}
\begin{document}
\input{non-ascii-A.tex}
\end{document}
======

Best,
Takuji TANAKA

On 2018/05/11 16:48, Ulrike Fischer wrote:
> Am Fri, 11 May 2018 13:05:05 +0900 schrieb Akira Kakuto:
>
>> Now non-ascii file names in local code page
>> may be used in pdftex:
>> pdftex non-ascii-name.tex
>> pdflatex non-ascii-name.tex
>> if a line
>>
>> command_line_encoding = utf8
>>
>> is written in a suitable texmf.cnf.
>
> Could it have bad side effects (e.g. for older windows or for other
> locales) if the line is there by default?
>
> And if yes, how can someone who wants to disable the setting again
> in a local texmf.cnf do it? With an empty argument?
>
> command_line_encoding =
>
> ?
>