edit in existing tmux pane that runs `vim`

tmuxedit.jl

# put this in your startup.jl
using InteractiveUtils
let
   tmuxsession = nothing
   sessions = split(String(read(`tmux list-panes -a -F '#{pane_tty} #{session_name}'`)), '\n')
   io = IOBuffer()
   run(pipeline(`tty`, stdout=io))
   tty = chomp(String(take!(io)))
   for session in sessions
      if occursin(tty, session)
         tmuxsession = split(session)[2]
         break
      end
   end
   if tmuxsession ≠ nothing
      InteractiveUtils.eval(quote
         function InteractiveUtils.edit(path::AbstractString, line::Integer=0)
            tmuxsession = $(tmuxsession)
            tmuxpanes = split(chomp(String(read(`tmux list-panes -F '#{pane_id} #{pane_current_command}'`))), '\n')
            pane = nothing
            for tpane in tmuxpanes
               pane_id, program = split(tpane)
               if occursin("vim", program)
                  pane = pane_id
                  break
               end
            end
            if endswith(path, ".jl")
               f = Base.find_source_file(path)
               f !== nothing && (path = f)
            end
            run(`tmux send-keys -t $(tmuxsession).$(pane) Escape :edit Space $(path) Enter :$(line) Enter`)
            nothing
         end
      end)
   end
end