如何展开当前文件的完整路径以传递给vim中的命令?

:!mycommand %:p

:!cd %:p:h

Get the name of the current file {count}CTRL-G :help CTRL-G

:p

:!mycommand %:p

%:p:h

:help expand
:echo expand("%:p")    " absolute path
:echo expand("%:p:h")  " absolute path dirname
:echo expand("%:p:h:h")" absolute path dirname dirname
:echo expand("%:.")    " relative path
:echo expand("%:.:h")  " relative path dirname
:echo expand("%:.:h:h")" relative path dirname dirname

:echo expand("<sfile>:p")  " absolute path to [this] vimscript

:help filename-modifiers

resolve() expand() <sfile>:p %:p exec source fnameescape l:vimrcfilename

 "  g:__sfile__dirname     -- directory containing this vimrc script
 "                            after symlinks
 "                            ~dirname(abspath(realpath(__file__)))
 let g:__sfile__dirname=fnamemodify(resolve(expand("<sfile>:p")), ":h")

 "  Source_dotvim(filename)  -- source dirname(this_vimrc)/filename
 function Source_dotvim(filename)
     let l:vimrcfilename=g:__sfile__dirname . "/" . a:filename
     if filereadable(l:vimrcfilename) && !empty(l:vimrcfilename)
         "source s:vimrcfilename "this doesn't work, so exec:
         exec "source " . fnameescape(l:vimrcfilename)
     else
         echo l:vimrcfilename . " empty or not found."
     endif
 endfunction 

 call Source_dotvim("vimrc.local.01-env.vimrc")

• :help fnamemodify
• <
• expand('<sfile>') does not work from within a function
• source l:varname does not work; so, exec - string concatenation - and fnameescape
• :messages

• annika-backstrom's answer
• umber-ferrule's answer
• tito-11's answer

http://vim.wikia.com/wiki/Get_the_name_of_the_current_file

http://vim.wikia.com/wiki/Set_working_directory_to_the_current_file

vimrc

let vimFiles = '$HOME/.vim'
let absPath  = expand(vimFiles . '/subDir')