Very long filename problem

[Jean Faure]

Yes, you are right. I got confused by the combination of a very long file
name, TeX output wrapping lines, an actually missing file and a
similar-looking bug report. Thanks for helping me out of this confusion.

Best,
Jean

On Sat, Feb 18, 2023 at 11:25 PM Karl Berry <karl at freefriends.org> wrote:

> Hi,
>
>     I updated to the latest Ubuntu with TeX Live 2022/dev/Debian.
>     ...
>     very long filenames stopped working
>
> Please provide the actual case that failed, and any error messages.
>
>     https://github.com/MiKTeX/miktex/issues/510
>
> It's improbable that any filesystem-related bug is the same on Windows
> and Unix. The code is very different.
>
> In any case, I can't reproduce the two cases in this report with current
> (that is, 2022) TL on x86_64-linux (specifically Alma Linux 8.7, but it
> shouldn't matter). Either a deep directory name under /tmp, or a long
> filename, or both, all worked.
>
> FWIW, the "long" filename in that report is "only" 117
> characters, which I wouldn't expect to have problems on any Unix-ish
> system.
> $ echo
> identify_conic_sections_written_in_rectangular_coordinates_by_eccentricity_and_write_the_equation_of_the_conic_1.tex|wc
>       1       1     117
>
> Running the long directory name with the long filename:
>
> $ xelatex
> /tmp/abcdefghijklmnopqrstuvwxyz/0123456789/abcdefghijklmnopqrstuvwxyz/0123456789/abcdefghijklmnopqrstuvwxyz/0123456789/abcdefghijklmnopqrstuvwxyz/0123456789/abcdefghijklmnopqrstuvwxyz/0123456789/abcdefghijklmnopqrstuvwxyz/0123456789/abcdefghijklmnopqrstuvwxyz/0123456789/identify_conic_sections_written_in_rectangular_coordinates_by_eccentricity_and_write_the_equation_of_the_conic_1.tex
> This is XeTeX, Version 3.141592653-2.6-0.999994 (TeX Live 2022) ...
> .. reads file fine ...
>
> Best,
> Karl
>
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