Not seeing expected behavior for variable record length fix

The fix for #19 (closed) involved: "when mseeds with variable record length are scanned, fixhdr will ask the user to select the mseeds they want to convert into fixed record length" (from !23 (merged)). Then fixhdr will make them record length 4096 using truncate.

I have tried this with PASSOFT installed today (fixhdr 2024.4.0.0) on two different platforms (Mac, Linux on field laptop) and am not seeing this prompt when building the tracedb. I tried fixhdring the variable record length data on the Mac install and the results appear to be the same as with older versions of fixhdr.

Could I please get some help understanding how to get the prompt to select mseeds that I want fixhdr to make record length 4096 using truncate?

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