Merge branch 'qdls'
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commit
fa743c5a34
5 changed files with 113 additions and 0 deletions
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@ -11,3 +11,7 @@ paths like missing support for symbolic links, mismatched path separators,
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inability to handle spaces in directory names, and resolves C-drive paths to
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their normal DOS form.
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## `qdls`
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A DOS clone of `ls` that hides Windows hidden files.
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4
qdls/.gitignore
vendored
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4
qdls/.gitignore
vendored
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@ -0,0 +1,4 @@
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obj/
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bin/
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.idea/
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66
qdls/Program.cs
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66
qdls/Program.cs
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using Qdls;
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// collect args and consume flags
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List<string> arguments = args.ToList();
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bool showHidden = Util.CheckFlag(arguments, "-a", "--all", "-A");
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// default to "." if no target args
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if(arguments.Count == 0)
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arguments = ["."];
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// run on targets
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foreach(var arg in arguments) {
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// don't try to list nonexistent entries or files
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if(!Path.Exists(arg)) {
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Console.WriteLine($"'{arg}': does not exist");
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continue;
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}
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if(File.Exists(arg)) {
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Console.WriteLine($"'{arg}': is file");
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continue;
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}
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// fetch children
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var children = Directory.GetFileSystemEntries(arg);
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// exclude hidden files where applicable
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if(!showHidden) { children = children.Where(f => !Util.IsHidden(f)).ToArray(); }
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// state vars
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var buffer = "";
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var longest = Path.GetFileName(children.OrderByDescending(s => s.Length).First()).Length;
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var columns = Console.WindowWidth / (longest + 2);
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var multiline = columns < children.Count();
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var position = 0;
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// print names if more than one target
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if(args.Length > 1)
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Console.WriteLine($"{arg}:");
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// iterate over children; build buffer and output when full
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foreach(var child in children.OrderBy(f => (int)(Path.GetFileName(f)[0]))) {
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var name = Path.GetFileName(child);
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// format hidden files
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if(Util.IsHidden(child))
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buffer += Format.Hidden;
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// format directories
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if(Directory.Exists(child))
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buffer += Format.Directory;
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// if we pass max width, write buffer and clear
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if( (++position > columns) && multiline ) {
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position = 1;
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Console.WriteLine(buffer.TrimEnd());
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buffer = "";
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}
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if(multiline)
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buffer += $"{name}{Format.Reset}".PadRight(longest + 6); // magic number 6 is +2 ignoring ansi reset sequence
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else
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buffer += $"{name}{Format.Reset} ";
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}
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// print last line
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Console.WriteLine(buffer);
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}
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29
qdls/Util.cs
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29
qdls/Util.cs
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namespace Qdls;
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using System.IO;
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public static class Util {
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public static bool IsHidden(string path) {
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var name = Path.GetFileName(path);
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return
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name.StartsWith('.') ||
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( File.GetAttributes(path) & FileAttributes.Hidden ) == FileAttributes.Hidden;
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}
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public static bool CheckFlag(List<String> args, params string[] forms) {
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var found = args.RemoveAll(forms.Contains);
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return found > 0;
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}
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}
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public static class Format {
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public const string Reset = "\x1b[0m"; // reset
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public const string Hidden = "\x1b[2;3m"; // faint + italic
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public const string Executable = "\x1b[1;32m"; // bold + green
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public const string Directory = "\x1b[1;34m"; // bold + blue
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}
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10
qdls/qdls.csproj
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10
qdls/qdls.csproj
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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<OutputType>Exe</OutputType>
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<TargetFramework>net8.0</TargetFramework>
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<ImplicitUsings>enable</ImplicitUsings>
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<Nullable>enable</Nullable>
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</PropertyGroup>
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</Project>
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