37 lines
1 KiB
Ruby
37 lines
1 KiB
Ruby
require 'net/ftp'
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require 'fileutils'
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module FtpSync
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# compares remote with local filelist
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# if local file not exists or older than remote file, download remote file
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# return array with new files
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def self.sync(supplier)
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new_files = Array.new
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# change local dir to save files correctly
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FileUtils.mkdir_p(supplier.ftp_path) unless File.exists?(supplier.ftp_path)
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Dir.chdir(supplier.ftp_path)
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# connect to ftp-server
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ftp = Net::FTP.new(supplier.ftp_host, supplier.ftp_user, supplier.ftp_password)
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# loop over the remote filelist
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ftp.nlst.each do |filename|
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if filename.match(Regexp.new(supplier.ftp_regexp))
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# local file not exist or remote file newer ?
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if (File.exist?(filename) and File.new(filename).mtime < ftp.mtime(filename)) or !File.exist?(filename)
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# download
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ftp.getbinaryfile(filename)
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# save filename for return
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new_files << filename
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end
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end
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end
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# close ftp-session
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ftp.close
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return new_files
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end
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end
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