How add a a number to a variable in batch -


hey i'm working on project of mine in batch. yes know bad i'm using anyways. trying make updating inventory system when ran problem. trying add set number e.x 1 variable this:

@echo off set var=0 echo add these numbers var+1 set /a var=%var%+1 pause echo var pause

what problem?

to show value of variable var, need

echo %var%

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