A bug in install-tl-windows.bat

[Philip Taylor]

On 08/04/2025 21:01, Siep Kroonenberg via tex-live wrote:
> On Tue, Apr 08, 2025 at 11:43:56AM +0200, Donatas Zigmantas wrote:
>> I have been trying to install latest TeX Live on Windows 10, but it did not
>> go, neither using install-tl-windows.exe
>> <https://mirror.ctan.org/systems/texlive/tlnet/install-tl-windows.exe>
>> nor running  install-tl-windows.bat . After some searching I found a bug in
>> the  install-tl-windows.bat script on line
>> 43     if  %ver_str:~10,1% EQU . (
> This is a valid string comparison.

Well, perhaps I am misunderstanding how it is intended to be used, but 
it is not accepted by my 64-bit Windows 11 system.  What follows is a 
transcript of my test —

d:\Users\Primary user>set ver_str = .

d:\Users\Primary user>echo if  %ver_str:~10,1% EQU . (echo "True") > foo.bat

REM: Note that I have assumed that the open parenthesis in the original 
will be matched by a closing parenthesis, and that there must be one or 
more valid CMD commands in between.

d:\Users\Primary user>foo
1 was unexpected at this time.

d:\Users\Primary user>if  ~10,1 EQU . (echo "True")

d:\Users\Primary user>

-- 
/Philip Taylor/
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