2020-07-28 22:07:15 +08:00
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#!/usr/bin/env ruby
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2020-07-28 22:14:47 +08:00
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require 'uplot'
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2020-07-28 23:27:07 +08:00
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require 'unicode_plot'
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require 'optparse'
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parser = OptionParser.new
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subparsers = Hash.new do |_h, k|
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warn "no such subcommand: #{k}"
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exit 1
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end
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params = {}
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subparsers['hist'] = OptionParser.new.tap do |opt|
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opt.on('--nbins VAL') { |v| params[:nbins] = v.to_i }
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opt.on('-p') { |v| params[:p] = v }
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end
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parser.order!(ARGV)
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params[:type] = ARGV.shift
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subparsers[params[:type]].parse!(ARGV) unless ARGV.empty?
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input_lines = readlines.map(&:chomp)
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case params[:type]
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when 'hist', 'histogram'
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series = input_lines.map(&:to_f)
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UnicodePlot.histogram(series, nbins: params[:nbins]).render
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end
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puts input_lines if params[:p]
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