29 lines
711 B
Ruby
Executable file
29 lines
711 B
Ruby
Executable file
#!/usr/bin/env ruby
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# dump csv file contents
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require 'csv'
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require 'optparse'
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# basic commandline parsing
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options = {}
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parser = OptionParser.new do |parser|
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parser.banner = "Usage: dump_csv.rb [options]"
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parser.on("-c", "--column int", "The column number to dump.") do |column|
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options[:column] = column
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end
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parser.on("-f", "--filename FILE", "The CSV filename to use.") do |filename|
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options[:filename] = filename
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end
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options[:all] = false
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parser.on("-a", "--all", "Dump all columns") do
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options[:all] = true
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end
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end
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parser.parse!
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col_data = []
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CSV.foreach (options[:filename]) {|col| col_data << col[options[:column].to_i]} if (options[:column] and options[:filename])
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puts col_data
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