Hi, :

?

I have tested the following methods, plus the *.bat running under Windows OS.

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"

.step param stp 1 6 1
.param fs {stp*1k}
.wave {stp} 16 44.1k V(out)

" --> it generates the file 1, 2,...,6

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Then run the batch file, as following: (save it to file & name it to ***.bat)

"

@echo off
for %%f in (1 2 3 4 5 6) do (
? ? if exist "%%f" ren "%%f" "%%f.wav"
)
echo Renaming complete!
pause

"

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Not sure if that's my naive, I tried the website of Analog Device, it doesn't release LTspice 24.1.6 yet.

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Have a nice day.

Best regards.