回答編集履歴
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見直しキャンペーン中
answer
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こうでいいと思うのですが、どうでしょうか。
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```
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using System;
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using System.IO;
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using System.IO.Compression;
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using System.Linq;
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using System.Text;
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using System.Xml;
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using System.Xml.Linq;
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namespace Questions291429
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{
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class Program
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{
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static void Main()
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{
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var xmldoc =
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@"<?xml version=""1.0"" encoding=""UTF-8"" standalone=""yes""?>
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<PCROOT>
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<PInfo Key=""0"">oll</PInfo>
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<PInfo Key=""0"">tll</PInfo>
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<PInfo Key=""1"">ools</PInfo>
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<PInfo Key=""1"">oljl</PInfo>
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<PInfo Key=""1"">ollj</PInfo>
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</PCROOT>";
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var xdoc = XDocument.Parse(xmldoc);
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Console.WriteLine(xdoc.ToString());
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GZipCompress(xdoc, @"pc1.gz");
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var xdocloaded = GZipDecompress(@"pc1.gz");
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var key0 = xdocloaded.Element("PCROOT")
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.Elements("PInfo")
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.Where(p => p.Attribute("Key").Value == "1");
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foreach(var i in key0)
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{
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Console.WriteLine(i.Value);
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}
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Console.ReadKey();
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}
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static void GZipCompress(XDocument xdin, string gzpath)
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{
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using(var fs = File.Create(gzpath))
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using(var gs = new GZipStream(fs, CompressionMode.Compress))
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// しなくても読めたが中のファイルにBOMが付くのが気持ち悪い場合
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//using(var writer = new XmlTextWriter(gs, new UTF8Encoding(false)))
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{
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//xdin.Save(writer);
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xdin.Save(gs);
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}
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}
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static XDocument GZipDecompress(string gzpath)
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{
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using(var fs = new FileStream(gzpath, FileMode.Open, FileAccess.Read, FileShare.Read))
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using(var gs = new GZipStream(fs, CompressionMode.Decompress))
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{
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return XDocument.Load(gs);
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}
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}
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}
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}
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1
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こうでいいと思うのですが、どうでしょうか。
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2
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3
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```cs
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4
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using System;
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5
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using System.IO;
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6
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+
using System.IO.Compression;
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7
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+
using System.Linq;
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8
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+
using System.Text;
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9
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using System.Xml;
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10
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+
using System.Xml.Linq;
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11
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+
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12
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namespace Questions291429
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13
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{
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14
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class Program
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15
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{
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16
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static void Main()
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17
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{
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var xmldoc =
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@"<?xml version=""1.0"" encoding=""UTF-8"" standalone=""yes""?>
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20
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<PCROOT>
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21
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+
<PInfo Key=""0"">oll</PInfo>
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22
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+
<PInfo Key=""0"">tll</PInfo>
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23
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+
<PInfo Key=""1"">ools</PInfo>
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24
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+
<PInfo Key=""1"">oljl</PInfo>
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25
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+
<PInfo Key=""1"">ollj</PInfo>
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</PCROOT>";
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+
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var xdoc = XDocument.Parse(xmldoc);
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Console.WriteLine(xdoc.ToString());
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GZipCompress(xdoc, @"pc1.gz");
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+
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var xdocloaded = GZipDecompress(@"pc1.gz");
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var key0 = xdocloaded.Element("PCROOT")
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.Elements("PInfo")
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.Where(p => p.Attribute("Key").Value == "1");
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+
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foreach(var i in key0)
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{
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Console.WriteLine(i.Value);
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}
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Console.ReadKey();
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}
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44
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+
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45
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static void GZipCompress(XDocument xdin, string gzpath)
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{
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47
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using(var fs = File.Create(gzpath))
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48
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using(var gs = new GZipStream(fs, CompressionMode.Compress))
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49
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+
// しなくても読めたが中のファイルにBOMが付くのが気持ち悪い場合
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50
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//using(var writer = new XmlTextWriter(gs, new UTF8Encoding(false)))
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{
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//xdin.Save(writer);
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xdin.Save(gs);
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}
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}
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static XDocument GZipDecompress(string gzpath)
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{
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using(var fs = new FileStream(gzpath, FileMode.Open, FileAccess.Read, FileShare.Read))
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using(var gs = new GZipStream(fs, CompressionMode.Decompress))
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{
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return XDocument.Load(gs);
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}
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}
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}
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}
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67
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```
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