I know there are a few things you can do directly with a variable, such as cut off ends of the variables via %var:~0,4%, or even do character replacement via %var:/=-%. What are these features called? And does anyone have a link to documentation for them?
I know there are a few things you can do directly with a variable,
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It’s the old dos string manipulation. See http://www.dostips.com/DtTipsStringManipulation.php