Am 21.08.2022 um 10:33 schrieb Stephan Witt <st.w...@gmx.net>:
> 
> Hi Tim,
> 
> you have to change your command - lyx2lyx is a folder in Resources:

Sorry, this one sends the standard output to trash… this is useful in case of 
lyx2lyx is logging errors separately (I’m not sure it works that way).

> $ 
> /System/Volumes/Data/Applications/LyX.app/Contents/Resources/lyx2lyx/lyx2lyx 
> -v Contrast\ paper.lyx > /dev/null

To verify the output in terminal you should use it w/o redirect to trash

$ /System/Volumes/Data/Applications/LyX.app/Contents/Resources/lyx2lyx/lyx2lyx 
-v Contrast\ paper.lyx

or

$ /System/Volumes/Data/Applications/LyX.app/Contents/Resources/lyx2lyx/lyx2lyx 
-v Contrast\ paper.lyx | less

to view the result page by page.

Another option is to use the message pane in LyX:

1. Start LyX
2. Activate Message Pane (menu item of the View menu)
3. Switch to the Settings tab
4. Choose „Selected“ at left and „info“ at right.
5. Open the file „Contrast paper.lyx“
6. Check the Output contents of the Message Pane

Stephan

> …
> 
> In case it’s a python problem the following command and it’s output is of 
> interest:
> 
> $ /usr/bin/env python --version
> Python 3.8.13
> 
> Stephan
> 
>> Am 21.08.2022 um 06:06 schrieb Tim Garrett <tim.garr...@utah.edu>:
>> 
>> Sorry, probably being dense here but this is what I get after finding the 
>> function
>> 
>> /System/Volumes/Data/Applications/LyX.app/Contents/Resources/lyx2lyx -v 
>> Contrast\ paper.lyx
>> zsh: permission denied: 
>> /System/Volumes/Data/Applications/LyX.app/Contents/Resources/lyx2lyx
>> 
>> Thanks for helping out here. Been a LyX user since 2001 when it was KLyX and 
>> this is the first time I’ve seen this.
>> 
>> Tim
>> 
>> On 20 Aug 2022, at 3:57, Stephan Witt wrote:
>> 
>> Am 18.08.2022 um 18:07 schrieb Paul A. Rubin <parubi...@gmail.com>:
>> 
>> On 8/18/22 11:15, Tim J Garrett wrote:
>> 
>> Running MacOS Monterrey and getting this error message trying to open old 
>> lyx files as recent as 2016:
>> 
>> “file.lyx is from an older version of LyX and the lyx2lyx script failed to 
>> convert it.”
>> 
>> Unclear what to do from online forums. Any advice? I’m not a developer, so 
>> step-by-step would be appreciated. I have tried installing old versions of 
>> lyx but without success. Below is the lyx preamble
>> 
>> Thanks
>> 
>> Tim
>> 
>> #LyX 2.1 created this file. For more info see http://www.lyx.org/ 
>> \lyxformat 474 
>> \begin_document 
>> \begin_header 
>> \textclass article 
>> \begin_preamble
>> 
>> \usepackage[left,modulo]{lineno} 
>> \end_preamble 
>> \options agums 
>> \use_default_options false 
>> \maintain_unincluded_children false 
>> \language english 
>> \language_package default 
>> \inputencoding auto 
>> \fontencoding global 
>> \font_roman times 
>> \font_sans default 
>> \font_typewriter default 
>> \font_math auto 
>> \font_default_family default 
>> \use_non_tex_fonts false 
>> \font_sc false 
>> \font_osf false 
>> \font_sf_scale 100 
>> \font_tt_scale 100 
>> \graphics default 
>> \default_output_format default 
>> \output_sync 0 
>> \bibtex_command default 
>> \index_command default 
>> \float_placement h 
>> \paperfontsize 12 
>> \spacing double 
>> \use_hyperref false 
>> \papersize letterpaper 
>> \use_geometry true 
>> \use_package amsmath 1 
>> \use_package amssymb 1 
>> \use_package cancel 1 
>> \use_package esint 0 
>> \use_package mathdots 1 
>> \use_package mathtools 1 
>> \use_package mhchem 1 
>> \use_package stackrel 1 
>> \use_package stmaryrd 1 
>> \use_package undertilde 1 
>> \cite_engine natbib 
>> \cite_engine_type authoryear 
>> \biblio_style plainnat 
>> \use_bibtopic false 
>> \use_indices false 
>> \paperorientation portrait 
>> \suppress_date false 
>> \justification true 
>> \use_refstyle 0 
>> \index Index 
>> \shortcut idx 
>> \color #008000 
>> \end_index 
>> \leftmargin 1in 
>> \topmargin 1in 
>> \rightmargin 1in 
>> \bottommargin 1in 
>> \secnumdepth 3 
>> \tocdepth 3 
>> \paragraph_separation indent 
>> \paragraph_indentation default 
>> \quotes_language english 
>> \papercolumns 1 
>> \papersides 1 
>> \paperpagestyle default 
>> \tracking_changes false 
>> \output_changes false 
>> \html_math_output 0 
>> \html_css_as_file 0 
>> \html_be_strict false 
>> \end_header
>> 
>> There does not seem to be any problem with the header. I created an empty 
>> LyX document with it, and the lyx2lyx script had no issues processing it. So 
>> the problem must be in the document body.
>> 
>> You can try the following. Find the lyx2lyx executable on your system. On 
>> Debian based Linux systems, it defaults to /usr/share/lyx/lyx2lyx/lyx2lyx. I 
>> have no idea where it is on a Mac, so I'll just refer to the equivalent 
>> string as "<whatever>". In a terminal window, run
>> 
>> <whatever> -v <path to your doc>
>> 
>> which should print the converted document line by line in the terminal 
>> window. If it gorks, hopefully you will be able to see what it choked on and 
>> possibly an error message, which you can bring back to the list.
>> 
>> Paul
>> 
>> Hi Tim,
>> 
>> do you have any progress with your issue?
>> 
>> Did you update Monterey recently? Do you have a working Python installation?
>> 
>> 
>> Stephan
>> 
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> 
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