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内容修正

2018/04/19 05:02

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スコア7196

test CHANGED Viewed

@@ -2,40 +2,42 @@
+追記：
+入力をタブ区切りに、出力をCSV形式にしました。
 ```Ruby
-irb(main):001:0> data = File.open("sample.csv").readlines.map{|v| v.chomp.split(",")}
+data = File.open("sample.bl6").readlines.map{|v| v.chomp.split("\t")}
-=> [["1|abc2|1", "1", "2"], ["1|abc2|3", "2", "3"], ["1|abc2|2", "3", "3"], ["1|abc1|1", "4", "4"], ["1|abc1|2", "5", "2"], ["2|abd1|2", "7
+data.sort!{|a, b| a[0] <=> b[0]}
-, "5"], ["2|abd1|1", "3", "3"], ["3|acd2|1", "4", "2"]]
-irb(main):002:0> data.sort{|a, b| a[0] <=> b[0]}
-=> [["1|abc1|1", "4", "4"], ["1|abc1|2", "5", "2"], ["1|abc2|1", "1", "2"], ["1|abc2|2", "3", "3"], ["1|abc2|3", "2", "3"], ["2|abd1|1", "3
+# CSVクラスを使わず
-, "3"], ["2|abd1|2", "7", "5"], ["3|acd2|1", "4", "2"]]
+File.open("result.csv", "w") do |fh|
-irb(main):003:0> require 'pp'
+  data.each do |line|
-=> true
+    fh.puts line.join(",")
-irb(main):004:0> pp data.sort{|a, b| a[0] <=> b[0]}
+  end
-[["1|abc1|1", "4", "4"],
+end
- ["1|abc1|2", "5", "2"],
- ["1|abc2|1", "1", "2"],
- ["1|abc2|2", "3", "3"],
+# CSVクラス使って。どちらでもお好きな方で。
- ["1|abc2|3", "2", "3"],
+CSV.open("result.csv","w") do |fh|
- ["2|abd1|1", "3", "3"],
+  data.each do |line|
- ["2|abd1|2", "7", "5"],
+    fh << line
- ["3|acd2|1", "4", "2"]]
+  end
+end
 ```