akkartik/pong.love - Change LA62RA7SUK6ADGTKNZ7PSDKHMWHOJB2YTOTFG3COUV7YYTA6YNUAC

bit of a yak shave

I'm experimenting with the cleanest way to express splitting by an optional character.

This approach is pretty decent, with one exception: empty strings turn data into nil as well. I'd like data to always be a string.

Created by Kartik K. Agaram on August 15, 2022

LA62RA7SUK6ADGTKNZ7PSDKHMWHOJB2YTOTFG3COUV7YYTA6YNUAC

Dependencies

In channels

main

Change contents

Replacement in file.lua at line 18 [3.15083]

B:BD[3.15620] → [2.7877:7917]

      table.insert(result, {data=line})

[3.15620]

[3.15864]

      local line_info = {}
      local line_reader = line:gmatch('[^'..Metadata_separator..']+')
--?       local line_reader = line:gmatch('[^\x1e]*')
      line_info.data = line_reader()
      line_info.data2 = line_reader()
      print(line_info.data, line_info.data2)
      print(line_info.data == nil, line_info.data2 == nil)
      print(type(line_info.data), type(line_info.data2))
      -- works
--?       for data, data2 in line:gmatch('([^\x1e]*)\x1e([^\x1e]*)') do
--?         print(data)
--?         print(data2)
--?         print(data2 == nil)
--?         print(type(data2))
--?         print(#data2)
--?       end
--?       for data in line:gmatch('[^\x1e]+') do
--?         print(data)
--?         print(data == nil)
--?         print(type(data))
--?         print(#data)
--?       end
      table.insert(result, line_info)