[EXT] Re: [UNIV: TeX Live 2020] %tlroot%\bin\win32\tlmgr.bat

Philip Taylor P.Taylor at Rhul.Ac.Uk
Thu Jan 28 16:30:13 CET 2021

Philip Taylor wrote:

Ah.  I had thought that it would launch a GUI which would allow me to select from a set of pre-defined actions ...  The real problem is that the diagnostic  does not appear if one launches TLMGR from a Windows Explorer file listing, as I did.  It was only when I edited the first line to read "Echo on" that I was able to read and report the diagnostic.

The following small modifications to the prelude and postlude of "tlmgr.bat" would allow it to issue an appropriate diagnostic which would remain visible until dismissed by the user even if the file were launched from Windows Explorer —

@echo off


rem Get TL installation root (w/o trailing backslash)
set tlroot=%~dp0:
set tlroot=%tlroot:\bin\win32\:=%

rem check for gui or null argument
if x == x%1 goto guibailout


echo %~nx0: failed to rename "%tlupdater%">&2
exit /b 1

echo Please use tlshell as a GUI for tlmgr && PAUSE
exit /b 1

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