Substitute operator

substitute-operator.vim

function! Substitute(type, ...)
	let cur = getpos("''")
	call cursor(cur[1], cur[2])
	let cword = expand('<cword>')
	execute "'[,']s/" . cword . "/" . input(cword . '/')
	call cursor(cur[1], cur[2])
endfunction
nmap <silent> <key> m':set opfunc=Substitute<CR>g@

" Usage:
"   <key>ipfoo<CR>         Substitute every occurrence of the word under
"                          the cursor with 'foo' in the current paragraph
"   <key>Gfoo<CR>          Same, from here to the end of the buffer
"   <key>?bar<CR>foo<CR>   Same, from previous occurrence of 'bar'
"                          to current line