vim - Is there a way to automatically preview a file when the cursor is placed over it in netrw listing? -


this not hitting ‘p’ when on file name , having same result placing cursor on it.

i haven't tested long, try write following code, somewhere in file sourced automatically vim (maybe in ~/.vim/after/plugin/my_netrw.vim):

augroup my_netrw     au!     au filetype netrw call s:netrw_setup() augroup end  fu! s:netrw_setup() abort     nno <buffer> <nowait> <silent> cop   :<c-u>call <sid>toggle_auto_preview()<cr>     nno <buffer> <nowait> <silent> [op   :<c-u>call <sid>enable_auto_preview()<cr>     nno <buffer> <nowait> <silent> ]op   :<c-u>call <sid>disable_auto_preview()<cr>      if get(g:, 'my_netrw_auto_preview', 0)         call s:install_autocmd()     endif endfu  fu! s:install_autocmd() abort     augroup my_netrw_auto_preview         au!         au cursormoved <buffer> call s:do_i_preview()     augroup end endfu  fu! s:enable_auto_preview() abort     call s:install_autocmd()     let g:my_netrw_auto_preview = 1     echo '[netrw auto-preview] on'     call s:preview() endfu  fu! s:disable_auto_preview() abort     if exists('#my_netrw_auto_preview')         autocmd! my_netrw_auto_preview         augroup! my_netrw_auto_preview     endif     let g:my_netrw_auto_preview = 0     echo '[netrw auto-preview] off'     sil! pclose endfu  fu! s:toggle_auto_preview() abort     call s:{exists('#my_netrw_auto_preview') ? 'disable' : 'enable'}_auto_preview() endfu  fu! s:do_i_preview() abort     if get(b:, 'my_last_preview', 0) !=# line('.')         let b:my_last_preview = line('.')         call s:preview()     endif endfu  fu! s:preview() abort     let file = getline('.')      if file =~# '^" '         return     endif      let file = b:netrw_curdir              \ . (!exists('+shellslash') || &shellslash ? '/' : '\')              \ . substitute(file, '\v[/*|@=]?%(\t.*)?$', '', '')      if filereadable(file)         call feedkeys('p', 'it')      elseif isdirectory(file)         let ls = systemlist('ls '.shellescape(file, 1))         let b:my_preview_ls = get(b:, 'my_preview_ls', tempname())         call writefile(ls, b:my_preview_ls, 'b')         exe 'pedit '.b:my_preview_ls     endif endfu

it seemed want during limited time tested it, there may edge cases forgot.

inside netrw buffer, should install 3 mappings:

  • [op enable automatic preview of files
  • ]op disable it
  • cop toggle it

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