Vimで#RRGGBBからrgb(r,g,b)に変換

gistfile1.vim

" http://hail2u.net/blog/software/convert-hex-color-to-functional-color-with-vim.html
command! -range=% HexToFunc :silent!<line1>,<line2>s/#¥([0-9A-F]¥{3,6}¥)/¥=HexToFunc(submatch(1))/gi

function! HexToFunc(hex)
    if strlen( a:hex ) == 6
        let color = matchlist(a:hex, '¥([0-9A-F]¥{2¥}¥)¥([0-9A-F]¥{2¥}¥)¥([0-9A-F]¥{2¥}¥)')
        return s:ToRgbFunc(color[1], color[2], color[3])
    endif
        let color = split(a:hex, '¥zs')
        return s:ToRgbFunc(repeat(color[0], 2), repeat(color[1], 2), repeat(color[2], 2))
endfunction

function! s:ToRgbFunc(r, g, b)
        return 'rgb(' . printf('%d', '0x' . a:r) . ', ' . printf('%d', '0x' . a:g) . ', ' . printf('%d', '0x' . a:b) . ')'
endfunction