字元編碼轉換、基本檔案讀取與建立壓縮檔

require 'iconv'

conv = Iconv.new('big5', 'utf-8')
fh = File.open('test.txt', 'r')

print "Loop way...\n"
while line = fh.gets
    print conv.iconv(line)
end
print "-----------\n";

fh.rewind

print "Iterate way...\n"
fh.each do |line|
    print conv.iconv(line)
end
print "-----------\n";

fh.rewind

print "Read to array\n"
dataSet = fh.readlines
dataSet.each { |line|
    print conv.iconv(line)
}
print "-----------\n";

fh.close
conv.close

print "Block way...\n"
File.open('test.txt') { |fh|
    Iconv.open('big5', 'utf-8') { |conv|
        fh.each { |line|
            print conv.iconv(line)
        }
    }
}
print "-----------\n";

compressor = 'C:/progra~1/7-zip/7z.exe'
compressCommand = compressor + ' a -sitest_big5.txt test.7z'
IO.popen(compressCommand, 'w') { |zfh|
    File.open('test.txt') { |fh|
        Iconv.open('big5', 'utf-8') { |conv|
            fh.each { |line|
                zfh.print conv.iconv(line)
            }
        }
    }
}