Yegappan Lakshmanan wrote:
> The above will delete all the global variables not matching
> the specified regular expression. So you should make a copy
> of the global variables before using the filter() function:
>
> let l = filter(copy(g:), "v:key =~? '<regexp_pattern>'")
Very sweet. I completely missed that 'g:' is a dictionary when looking for it
recently.
Here is a complete function:
" Return list of global variables that match pattern.
function! Globals(pattern)
return sort(filter(keys(g:), 'v:val =~? a:pattern'))
endfunction
" Example usage:
let g = Globals('^t')
John
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