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October 12, 2010 20:58
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:Sudo command that saves files using sudo(1)
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| " defines a :Sudo command that works largely like :w | |
| " but uses `sudo` to the file using root permissions | |
| function! SudoWrite(file,line1,line2) | |
| " intercept the external file change reload prompt event | |
| autocmd FileChangedShell <buffer> : | |
| " shazzam | |
| exe 'silent' a:line1 . ',' . a:line2 . 'write !sudo tee 1>/dev/null' strlen(a:file) ? a:file : '%' | |
| " force-trigger vim's file modification check, then undo the intercept | |
| checktime | autocmd! FileChangedShell <buffer> | |
| " if it was a whole-file write, tell vim to consider the buffer saved | |
| if a:line1 == 1 && a:line2 == line('$') | set nomodified | endif | |
| endfunction | |
| command! -range=% -nargs=? -complete=file Sudo call SudoWrite(<q-args>,<q-line1>,<q-line2>) |
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That’s not built in. It could be either sudo.vim or SudoEdit.vim.
I used to use the former, but it does not seem to cope well with changing directories after opening a file – or something along those lines. In any case I ditched it after I wound up with files in the wrong place of my file system a couple of times.
I had not seen the latter until now, though. Might be worth giving a shot.
Then again, I have the above now, which does all I want…