DosTips.com

It could be (i'm unsure), when using 'start "" gulp.exe <input-%%a.dat >output-%%a.out' you instanciate a new command shell, with own stdin and stdout (no matter how you initialized "start-stdin/-out"; this (currently untested) may fix it: start "" cmd /C ^""...

Are your filenames actually input-1.dat where the numeral is the only changing item? My filenames are actually "Ti4+potentialfitting-brannerite-1.dat" with the number (which increases by 1) the only thing that changes. So if you run this, does it work correctly or hang? gulp.exe <input-1....

Hi Foxidrive, Many thanks for your response. I have tried the first of the codes you posted - unfortunately with no success: the GULP executable runs - a new window opens and the GULP header can be seen. [I note that this does not usually happen when I use the batch file I described...] But, that is...

Hi, Batch file scripting is brand new to me, so please be patient with me... In order to run calculations in a program called GULP on a windows (10, 64-bit) environment, I use the .bat file that has the following form: gulp.exe < input-1.dat > output-1.out gulp.exe < input-2.dat > output-2.out gulp....