1
search = "1|butter+salted|Butter salt|Butter|Túrós csusza|Margarine|Potato
2|butter+whipped|Shea butter|Butter|Pastry bag|Cream bun|Butter cream
3|butter+oil+anhydrous|Ultralight backpacking|Odell\'s|Ghee|Fragrance extraction|Perfume
4|cheese+blue|Blue cheese|Shropshire Blue cheese|Buxton Blue cheese|Danish Blue cheese|Blue cheese dressing
5|cheese+brick|Brick cheese|Oaxaca cheese|List of American cheeses|Herve cheese|Trappista cheese
.
.
.
search = search.split('\n')
catalog = String.new
a = 0; until a == search.length
line = search[a].split('|')
id = line.first
term = line[1]
puts id + "|" + term
puts " 1 #{line[2].nil? ? '' : line[2]}"
puts " 2 #{line[3].nil? ? '' : line[3]}"
puts " 3 #{line[4].nil? ? '' : line[4]}"
puts " 4 #{line[5].nil? ? '' : line[5]}"
puts " 5 #{line[6].nil? ? '' : line[6]}"
choice = gets
choice = choice.chomp.to_i
catalog = "#{id}|#{term}|#{line[choice]}\n"
%x[echo "#{catalog}" >> updated_terms]
a += 1
end
$ ruby searchterms.rb
1|butter+salted
1 Butter salt
2 Butter
3 Túrós csusza
4 Margarine
5 Potato
2 # I don't know why this figure is printed.
2
$
가 어떻게이 작업을 어떻게해야합니까 searchterms.rb 여분의 문자 인쇄? 각 식품에 가장 적합한 용어를 선택해야합니다.
searchterms.rb:7525:
line = search[a].split('|')
private method `split' called for nil:NilClass (NoMethodError)
또한 루프에 비표준 관용구를 사용하고 있습니다.'(0 ... search.length) .each do | a |'또는'0.upto (search.length - 1) do | a |' 'a + = 1' 라인을 지우십시오. – rampion