.meas is not from QSPICE64.exe or QSPICE80.exe. QSPICE*.exe is to generate .qraw from netlist (.cir). .meas is a post-processing from .cir with .qraw file. Here is a discussion of this same question in this forum. Type keyword “batch .meas” in search and possibly this topic will pop up.
Read out the results from .meas command external (e.g. Python) - QSPICE - Qorvo Tech Forum