VIM: Swap files between split windows

split-swap.vim

function! MarkWindowSwap()
    let g:markedWinNum = winnr()
endfunction

function! DoWindowSwap()
    "Mark destination
    let curNum = winnr()
    let curBuf = bufnr( "%" )
    exe g:markedWinNum . "wincmd w"
    "Switch to source and shuffle dest->source
    let markedBuf = bufnr( "%" )
    "Hide and open so that we aren't prompted and keep history
    exe 'hide buf' curBuf
    "Switch to dest and shuffle source->dest
    exe curNum . "wincmd w"
    "Hide and open so that we aren't prompted and keep history
    exe 'hide buf' markedBuf 
endfunction

nmap <silent> <leader>mw :call MarkWindowSwap()<CR>
nmap <silent> <leader>pw :call DoWindowSwap()<CR>

" - sgriffin