20 lines
404 B
Ruby
20 lines
404 B
Ruby
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def tail(log_file)
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cursor = File.size(log_file)
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last_checked = Time.now
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tail_thread = Thread.new do
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File.open(log_file, 'r') do |f|
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loop do
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f.seek cursor
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if f.mtime > last_checked
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last_checked = f.mtime
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contents = f.read
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cursor += contents.length
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print contents
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end
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sleep 1
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end
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end
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end
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tail_thread
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end
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