Highlight bash internal varibles using VIM

Question

Is it possible to Highlight bash internal varibles using VIM?

For example the variables described on this page would appear a different colour than the user defined variables.

http://tldp.org/LDP/abs/html/internalvariables.html

Ingo Karkat · Accepted Answer · 2015-05-26 08:22:02Z

2

You can define additional syntax keywords for those built-in variables. Put the following into ~/.vim/after/syntax/sh.vim:

syntax keyword shBuiltInVariable BASH BASH_ENV BASH_VERSION containedin=shDerefSimple
highlight def link shBuiltInVariable Special

The containedin= is necessary because shell variables are already parsed by existing syntax groups, and these additional overrides need to go in there to match.

Also note that $VIMRUNTIME/syntax/sh.vim supports multiple shell dialects; if you use different shells, you need to add proper conditionals (b:is_bash etc.) around your additions.

answered May 26, 2015 at 8:22

Ingo Karkat

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