first commit

.gitignore

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+/bin
+/obj
+/.vs

BiblionetkaScraper2.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+    <PublishAot>true</PublishAot>
+    <InvariantGlobalization>true</InvariantGlobalization>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="HtmlAgilityPack" Version="1.11.64" />
+  </ItemGroup>
+
+</Project>

BiblionetkaScraper2.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.10.35004.147
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "BiblionetkaScraper2", "BiblionetkaScraper2.csproj", "{5C82BB35-922F-4850-97CE-4A0898008EBB}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{5C82BB35-922F-4850-97CE-4A0898008EBB}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{5C82BB35-922F-4850-97CE-4A0898008EBB}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{5C82BB35-922F-4850-97CE-4A0898008EBB}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{5C82BB35-922F-4850-97CE-4A0898008EBB}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {66C1FE94-EAEB-47DE-9542-BF4B007B4442}
+	EndGlobalSection
+EndGlobal

Program.cs

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+namespace BiblionetkaScraper2
+{
+    internal class Program
+    {
+        static void Main(string[] args)
+        {
+            Console.WriteLine("Hello, World!");
+
+            var output = Path.GetDirectoryName(args[0]) + Path.DirectorySeparatorChar + Path.GetFileNameWithoutExtension(args[0]) + ".csv";
+            foreach(var a in args)
+                Scrap(a, output);
+        }
+
+        private static void Scrap(string inputFile, string outputFile)
+        {
+            var doc = new HtmlAgilityPack.HtmlDocument();
+            doc.Load(inputFile);
+
+            var notes = doc.DocumentNode.SelectSingleNode("/html/body/form/div[3]/section[4]/div[2]/div[1]/div[2]/div/div/div[5]")
+                .Descendants()
+                .Where(node => node.GetAttributeValue("class", "").Contains("row forum__list"))
+                .ToList();
+
+            var path = outputFile;
+            using var file = File.Exists(path) ? File.Open(path, FileMode.Append) : File.Open(path, FileMode.CreateNew);
+            using var stream = new StreamWriter(file);
+            foreach (var n in notes)
+            {
+                var note = n.SelectSingleNode("div[1]/a[1]");
+                var bookName = '"' + note.InnerText.Replace("\"", "'") + '"';
+
+                var bookNote = note.GetAttributeValue("title", "").Replace("Twoja ocena: ", "").Replace(",", ".");
+
+                var authors = n.SelectNodes("div[1]/a")
+                    .Skip(1)
+                    .Where(node => !node.GetAttributeValue("class", "").Contains("icon"))
+                    .Select(n => n.InnerText);
+
+                var authorsJoined = authors.Count() > 1 ? string.Join(",", authors) : authors.FirstOrDefault();
+                var bookAuthors = '"' + authorsJoined + '"';
+
+                string line = bookName + "," + bookAuthors + "," + bookNote;
+                Console.WriteLine(line);
+                stream.WriteLine(line);
+            }
+        }
+    }
+}