VIM中常用序列生成及数值转换

"output A-Z
exe "let i=65|while i<=90|put =printf('%c', i)|let i=i+1|endwhile"

"output '0-9A-F'
exe "let i=0|while i<16|put =printf('%X', i)|let i=i+1|endwhile"

"ascii to number
echo char2nr('a')

"number to ascii
echo nr2char( 97 )

"hex to dec
echo printf('%d', 0xff )

"dec to hex
echo printf('%X', 255)

"-----------------------
     " Update 2013/12/4 22:12:25 
    " Reference: http://vim.wikia.com/wiki/Making_a_list_of_numbers 

    "Output A-Z
    :for i in range(1,26)|put=nr2char(i+64)|endfor

    "Output 0-9
    :put=range(10)