Convertir último texto ingresado en una línea a camel case

camelcaselast.vim

fun! Camel_last() "{{{
    let start_mod = getpos("'[")
    let end_mod = getpos("']")

    if (start_mod[1] != end_mod[1])
        return
    endif

    let mod_line = getline(start_mod[1])
    let inserted_text = mod_line[start_mod[2] - 1 :end_mod[2] - 2]
    let text_replacement = substitute(inserted_text, '\v%(\S)@<=\s(\w)', '\u\1', 'g')
    let prepared_line = ''
    if start_mod[2] > 1
        let prepared_line .= mod_line[0:start_mod[2] - 2]
    endif
    let prepared_line .= mod_line[end_mod[2] - 1:-1]
    call setline(start_mod[1], prepared_line)
    call setpos('.', start_mod)
    let @z = text_replacement
    let @x = inserted_text
    call feedkeys('i' . text_replacement . "\<Esc>")
endfunction "}}}

command! CamelCaseLast call Camel_last()
cab lcc CamelCaseLast