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" g: last command operator.
"
" Runs the last command over the given text object.
"
" By "last command" I mean the last command run with a range. This avoids all those pesky :w and :e
" commands.
"
" so now to join all lines in a text object one could do something like:
"
" vap:join<cr>
"
" now this command can be repeated around a different text object using g:, for example g:ab
"
" what's more is after using g:, it is dot-repeatable.
"
" Note that while this is powerful, it wil only work on line-style selections as that it a
" limitation of ex commands.
noremap <silent> g: :set operatorfunc=<SID>do_command_around<cr>g@
noremap <silent> g:: :set operatorfunc=<SID>do_command_around<cr>g@_
function! s:find_cmd() abort
let match_mark = "\\('.\\)\\?[0-9\\-+^$.%]*"
let i = -1
while 1
let ocmd = histget(':', i)
" Strip the leading range
let ncmd = substitute(ocmd, printf('\(%s\)\(,\(%s\)\)\?', match_mark, match_mark), "", "")
if ncmd != ocmd
" If this command had a range, use that one.
let cmd = ncmd
break
endif
let i -= 1
endwhile
return cmd
endfunction
function! s:do_command_around(str) abort
call setpos("'<", getpos("'["))
call setpos("'>", getpos("']"))
let cmd = s:find_cmd()
echo printf("'<,'>%s", cmd)
exec printf("'<,'>%s", cmd)
endfunction
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