階層的な連番を振るだけのrubyスクリプト。つまらないものだけど、なんかこういうループって必要なときにすぐに再現できなかったりする。

#!/usr/local/bin/ruby

# seq.rb

# Keiichirou Shikano



# ruby top2title.rb --chap 1 test.txt > result.txt



require "getopts"

getopts(nil,"chap:1")



$i = $OPT_chap.to_i - 1

$j = $k = 0



def headline(line)

  head1_pattern = /^■H1■(.*?)$/e

  head2_pattern = /^■H2■(.*?)$/e

  head3_pattern = /^■H3■(.*?)$/e

  head4_pattern = /^■H4■(.*?)$/e

  head5_pattern = /^■H5■(.*?)$/e



  if line =~ head1_pattern

    $i = $i+1

    $j = 0

    h1_title = "第#{$i}章 #{$1}"

    line.sub! head1_pattern, "#{h1_title}"

  elsif line =~ head2_pattern

    $j = $j+1

    $k = 0

    h2_title = "#{$i}.#{$j} #{$1}"

    line.sub! head2_pattern, "#{h2_title}"

  elsif line =~ head3_pattern

    $k = $k+1

    h3_title = "#{$i}.#{$j}.#{$k} #{$1}"

    line.sub! head3_pattern, "#{h3_title}"

  elsif line =~ head4_pattern

    line.sub! head4_pattern, "■ #{$1}"

  elsif line =~ head5_pattern

    line.sub! head5_pattern, "▼ #{$1}"

  end

end



# main



ARGF.each {|line|

  headline(line)



  print line + "\n"

}