Some examples using tags to find files

gistfile1.txt

" Improved goto file {{{2
" echo the full path of the file name under the cursor
nmap <silent> <Leader>gf :call <SID>FindFilesByTag(expand("<cfile>"))<CR>
" go to the file name under the cursor
nnoremap <expr> gf empty(taglist(fnamemodify(expand('<cfile>'), ":t"))) ? "gf" : ":tj <C-r><C-f><CR>"
nnoremap <expr> <C-w>f empty(taglist(fnamemodify(expand('<cfile>'), ":t"))) ? "\<C-w>f" : ":stj <C-r><C-f><CR>"

function! s:FindFilesByTag(file) " {{{2
    for f in taglist(expand(a:file))
        echo f["filename"]
    endfor
endfunc