Autoconf prevent 'init.bat' from stopping on empty lines (#22158)

CHANGELOG.md

@@ -26,6 +26,7 @@ All notable changes to this project will be documented in this file.
 - SML trx pin error (#22119)
 - Shutter remaining issues on shutterinvert (#22120)
 - Berry I2C to prepare M5Stack I2C STM32 based devices (#22143)
+- Autoconf prevent 'init.bat' from stopping on empty lines 
 
 ### Removed
 

lib/libesp32/berry_tasmota/src/embedded/autoconf_module.be

@@ -302,10 +302,16 @@ autoconf_module.init = def (m)
  try
  f = open(fname, "r") # open file in read-only mode, it is expected to exist
  while true
- var line = f.readline() # read each line, can contain a terminal '\n', empty if end of file
- if size(line) == 0 break end # end of file
+ var line = f.readline() # read each line, can contain a terminal '\n'
+
+ if (size(line) == 0) && (f.tell() >= f.size()) # did we reach end of file?
+ break
+ end
+
+ while (size(line) > 0 && (line[-1] == "\n" || line[-1] == "\r"))
+ line = line[0..-2] # remove any trailing '\n' or '\r'
+ end
 
- while (size(line) > 0 && (line[-1] == "\n" || line[-1] == "\r")) line = line[0..-2] end # remove any trailing '\n' or '\r'
  if size(line) > 0
  tasmota.cmd(line) # run the command
  end