How to loop through comma separated string in batch?

Question

Windows

Based on the post (dos batch iterate through a delimited string), I wrote a script below but not working as expected.

Goal: Given st

Answer 1

Looks like it needed the "tokens" keyword...

@echo off
set themes=Sun,Granite,Twilight

call :parse "%themes%"
goto :end

:parse
setlocal
set list=%1

for /F "delims=, tokens=1*" %%f in (%list%) do (
    rem if the item exist
    if not "%%f" == "" call :getLineNumber %%f
    rem if next item exist
    if not "%%g" == "" call :parse "%%g"
)
endlocal
goto :end

:getLineNumber
setlocal
echo file name is %1
set filename=%1
endlocal 

:end