Rick Strahl's Weblog
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Workaround for horrendously slow SUBSTR Character Parsing in FoxPro

6 months ago

FoxPro's string speed is reasonably good for most operations. But one shortcoming is character by character parsing which can only be accomplished via the `SUBSTR()` command, which as it turns out is horribly slow when strings get large. In this post I describe the problem and offer a couple of solutions to get better character by character parsing speed for string iteration.