vimwiki: open file: links in vim itself

home/.vim/vimrc

@@ -350,19 +350,21 @@ let mapleader = ","
 
     " au FileType vimwiki :set tw=80
 
-    " an example override of vimwiki link handling - could be extended to add
-    " custom link types, etc.:
-    " function! VimwikiLinkHandler(link)
-    "    if a:link =~# '^https\?:'
-    "     try
-    "       execute ':!lynx ' . a:link
-    "       return 1
-    "     catch
-    "       echo "Something went wrong..."
-    "     endtry
-    "   endif
-    "   return 0
-    " endfunction
+    " override default vimwiki link handling - could be extended to add
+    " custom link types, etc.  Right now all it does is use vim itself
+    " to handle files, crudely.
+    function! VimwikiLinkHandler(link)
+       if a:link =~# 'file:'
+        try
+          " chop off the leading file: - see :h expr-[:] for syntax:
+          execute ':e ' . a:link[5:]
+          return 1
+        catch
+          echo "Something went wrong..."
+        endtry
+      endif
+      return 0
+    endfunction
 
     Plugin 'vimwiki/vimwiki'