vim - programatically change NERDTreeWinSize -


i change vim-plugin nerdtreewinsize variable programmatically.

i added following function vimrc nothing happening when call function. hints?

fun! nerdtreewinsize( arg )   let g:nerdtreewinsize=a:arg endfunction command! -nargs=* ntws call nerdtreewinsize( '<args>' )

i can call function via :ntws 200 , wish nerdtreewinsize changes 200 then.

i realized nothing happening when run let g:nerdtreewinsize=100 in vim command line.

but when add line let g:nerdtreewinsize=100 vimrc vim adapts nerdtreewinsize.

your code correct, , (at least version of nerdtree) re-evaluates g:nerdtreewinsize variable when building ui. however, change not affect open nerdtree windows, new ones. so, need re-open nerdtree changes take effect, maybe via

command! -nargs=* ntws call nerdtreewinsize( '<args>' ) | nerdtree

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