Last Updated: February 25, 2016
· sickill

Pretty format JSON in Vim

Vim lets you set equalprg option for each filetype. From Vim docs:

External program to use for "=" command. When this option is empty the internal formatting functions are used; either 'lisp', 'cindent' or 'indentexpr'. When Vim was compiled without internal formatting, the "indent" program is used. ...

Add following line to you .vimrc:

au FileType json setlocal equalprg=python\ -m\ json.tool

Now, to pretty format your JSON just type gg=G.

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That's great, thanks!

over 1 year ago ·