How do I fix the indentation of an entire file in Vi?

Question

In Vim, what is the command to correct the indentation of all the lines?

Often times I\'ll copy and paste code into a remote terminal and have the whole thing messed

Answer 1

vim-autoformat formats your source files using external programs specific for your language, e.g. the "rbeautify" gem for Ruby files, "js-beautify" npm package for JavaScript.