anchor.diff:  if exist "%TAGS_FILE%" (
       if not ["%UPDATED_SOURCE%"]==[""] (
           echo Removing references to: %UPDATED_SOURCE% >> %LOG_FILE%
  -        echo type "%TAGS_FILE%" ^| findstr /V /C:"%UPDATED_SOURCE%" ^> "%TAGS_FILE%.temp" >> %LOG_FILE%
  +        echo findstr /V /C:"%UPDATED_SOURCE%" "%TAGS_FILE%" ^> "%TAGS_FILE%.temp" >> %LOG_FILE%
           findstr /V /C:"%UPDATED_SOURCE%" "%TAGS_FILE%" > "%TAGS_FILE%.temp"
           set CTAGS_ARGS=%CTAGS_ARGS% --append "%UPDATED_SOURCE%"
           set INDEX_WHOLE_PROJECT=0
  
positive.code: 
  :Unlock
  echo Unlocking tags file... >> %LOG_FILE%
  del /F "%TAGS_FILE.files" "%TAGS_FILE%.lock"
  if ERRORLEVEL 1 (
      echo ERROR: Unable to remove file lock. >> %LOG_FILE%
  )
  
negative.code: )
  if ["%INDEX_WHOLE_PROJECT%"]==["1"] (
      set CTAGS_ARGS=%CTAGS_ARGS% "%PROJECT_ROOT%"
      if not ["%FILE_LIST_CMD%"]==[""] (
          echo Running custom file lister >> %LOG_FILE%
          if ["%PROJECT_ROOT%"]==["."] (
              echo call %FILE_LIST_CMD% ^> %TAGS_FILE%.files >> %LOG_FILE%
              call %FILE_LIST_CMD% > %TAGS_FILE%.files
          ) else (
              rem Potentially useful:
              rem http://stackoverflow.com/questions/9749071/cmd-iterate-stdin-piped-from-another-command
              echo call %FILE_LIST_CMD% -- with loop for prepending project root >> %LOG_FILE%
              type NUL > %TAGS_FILE%.files
              for /F "usebackq delims=" %%F in (`%FILE_LIST_CMD%`) do @echo %PROJECT_ROOT%\%%F >> %TAGS_FILE%.files
          )
          set CTAGS_ARGS=%CTAGS_ARGS% -L %TAGS_FILE%.files
      )
  