Hi Bram, Christian, Hi All,

I wish to use and port some part of plugin made by Christian few years ago 
in order to improve dirdiff with patience algorithm. 
https://github.com/chrisbra/vim-diff-enhanced


In vim9 help ยง2 it is written;



*Vim9 script and legacy Vim script can be mixed.  There is no requirement 
torewrite old scripts, they keep working as before.  You may want to use a 
few`:def` functions for code that needs to be fast.*

So try to port the plugin, let some functions that need (...) or (A,L,P) 
args for commands that I don't know how to deal with in 
vim9script. https://github.com/niva-xx/vim9-diff-enhanced

And then test it,

:EnhancedDiff patience
[image: Capture.PNG]



I don't understant why I got this error in argue of s:Warn( which waiting 
for string arg.

function EnhancedDiff#Diff(...) #{{{2
  let cmd = (exists("a:1") ? a:1 : '')
  let arg = (exists("a:2") ? a:2 : '')

  " no-op
  " error occured, reset diffexpr
  try
    call s:DiffInit(cmd, arg)
  catch
    set diffexpr=
    call s:Warn( cmd . ' not found in path, aborting!' )


Thank you for your help
NiVa

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