Print progress messages to stderr when printing JSON

This avoids the messages breaking JSON parsing when the output is being redirected to a file and parsed.
hartator · May 3, 2021 · 06e2595 · 06e2595
1 parent ea15965
commit 06e2595
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/lib/wayback_machine_downloader.rb b/lib/wayback_machine_downloader.rb
@@ -172,7 +172,10 @@ def get_file_list_by_timestamp
 
  def list_files
  # retrieval produces its own output
+ @orig_stdout = $stdout
+ $stdout = $stderr
  files = get_file_list_by_timestamp
+ $stdout = @orig_stdout
  puts "["
  files.each do |file|
  puts file.to_json + ","