November 2012
Intermediate to advanced
888 pages
54h 46m
Polish
Content preview from Ruby. Receptury
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14.8. Implementacja klienta FTP
Problem
Chcemy automatycznie połączyć się z serwerem FTP i wgrać bądź pobrać pliki.
Rozwiązanie
Można skorzystać z klasy Net::FTP, umożliwiającej korzystanie z serwerów FTP w sposób zbliżony do korzystania z systemu plików. W widocznym przykładzie zaprezentowano sposób anonimowego logowania się do popularnej witryny FTP, wyświetlenia zawartości jednego z katalogów i pobrania dwóch plików:
require 'net/ftp' ftp = Net::FTP.open('ftp.ibiblio.org') do |ftp| ftp.login ftp.chdir('pub/linux/') ftp.list('*Linux*') { |file| puts file } puts puts 'Zapisywanie pliku tekstowego na dysk.' ftp.gettextfile('How-do-I-get-Linux') { |line| puts "! #{line}" } puts "Zapisano #{File.size 'How-do-I-get-Linux'} bajtów." puts ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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