vim-config/unmanaged-vim-plug/bufonly/plugin/BufOnly.vim

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2018-05-26 17:18:32 +00:00
" BufOnly.vim - Delete all the buffers except the current/named buffer.
"
" Copyright November 2003 by Christian J. Robinson <infynity@onewest.net>
"
" Distributed under the terms of the Vim license. See ":help license".
"
" Usage:
"
" :Bonly / :BOnly / :Bufonly / :BufOnly [buffer]
"
" Without any arguments the current buffer is kept. With an argument the
" buffer name/number supplied is kept.
command! -nargs=? -complete=buffer -bang Bonly
\ :call BufOnly('<args>', '<bang>')
command! -nargs=? -complete=buffer -bang BOnly
\ :call BufOnly('<args>', '<bang>')
command! -nargs=? -complete=buffer -bang Bufonly
\ :call BufOnly('<args>', '<bang>')
command! -nargs=? -complete=buffer -bang BufOnly
\ :call BufOnly('<args>', '<bang>')
function! BufOnly(buffer, bang)
if a:buffer == ''
" No buffer provided, use the current buffer.
let buffer = bufnr('%')
elseif (a:buffer + 0) > 0
" A buffer number was provided.
let buffer = bufnr(a:buffer + 0)
else
" A buffer name was provided.
let buffer = bufnr(a:buffer)
endif
if buffer == -1
echohl ErrorMsg
echomsg "No matching buffer for" a:buffer
echohl None
return
endif
let last_buffer = bufnr('$')
let delete_count = 0
let n = 1
while n <= last_buffer
if n != buffer && buflisted(n)
if a:bang == '' && getbufvar(n, '&modified')
echohl ErrorMsg
echomsg 'No write since last change for buffer'
\ n '(add ! to override)'
echohl None
else
silent exe 'bdel' . a:bang . ' ' . n
if ! buflisted(n)
let delete_count = delete_count+1
endif
endif
endif
let n = n+1
endwhile
if delete_count == 1
echomsg delete_count "buffer deleted"
elseif delete_count > 1
echomsg delete_count "buffers deleted"
endif
endfunction