[IDE tool] Variable renaming

[AZJIO]

Variable renaming

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Sometimes variables are created on the fly without much thought. As development progresses, some variables have ambiguous names. For example it would be desirable to make a prefix global variables. For example, the "i" and "j" counters should be changed to "x" and "y", since this is related to the coordinates.

[Kukulkan]

I don't know the answer to your specific question but the feature you're asking for is refactoring. Maybe you can find some info for that search term? IDE's like Visual Studio (Code), IntelliJ IDEA and many others offer refactoring for several languages like golang, JavaScript or PHP out of the box. But it is a complex thing as variable scope (functions, classes, loops, modules etc) must be followed and respected, too. Otherwise, by a simple search/replace, you may destroy code.

[AZJIO]

Done.
Video of how it works