45 lines
1 KiB
Ruby
Executable file
45 lines
1 KiB
Ruby
Executable file
#!/usr/bin/env ruby
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def main
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output = `ls #{ARGV.map {|a| "\"#{a}\""}.join(' ')}`
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lines = output.split("\n")
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i = 0
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most_commas = 0
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number_of_commas = []
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new_lines = lines.map do |line|
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if line =~ /^[-dl][-rwxsS]{9}[@+\s]?/
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size = line.split[4]
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if size =~ /^\d+$/
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new_size = commaify(size)
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new_line = line.sub(size, new_size)
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n = new_size.count(',')
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number_of_commas << n
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most_commas = n if n > most_commas
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end
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end
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unless new_line
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number_of_commas << 0
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new_line = line
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end
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i += 1
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new_line
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end
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new_lines.each_with_index do |line, i|
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if line =~ /^[-dl][-rwxsS]{9}[@+\s]?/
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size = line.split[4]
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padded_size = (' ' * (most_commas - number_of_commas[i])) + size
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new_lines[i] = line.sub(size, padded_size)
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end
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end
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puts new_lines.join("\n")
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end
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def commaify(size)
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number_with_delimiter(size)
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end
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def number_with_delimiter(n, delimiter = ',')
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n.to_s.gsub(/(\d)(?=(\d\d\d)+(?!\d))/, "\\1#{delimiter}")
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end
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main if __FILE__ == $0
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