Opening A Specific File With A Batch File?

start wgnplot.exe "c:\path to file to open\foo.dat"

If the file that you want to open is in the same folder as your batch(.bat) file then you can simply try:

start filename.filetype

example: start image.png

@echo off
start %1

or if needed to escape the characters -

@echo off
start %%1

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