added usage information
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6e31e23001
commit
7d42eaf2b8
3 changed files with 66 additions and 2 deletions
31
src/Info.cs
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31
src/Info.cs
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using System;
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using System.IO;
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public static class Globals {
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public const string VERSION = "0.1.0";
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public const string DEFAULT_PATH = "/usr/share/fortune-cs/";
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}
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public static class Usage {
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public static void HelpText() {
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VersionText();
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Console.WriteLine(@"Valerie Wolfe <sleeplessval@gmail.com>
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Shows quotes from a set of files.
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usage: fortune-cs [files...]");
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}
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public static void ListText(string[] files) {
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foreach(var file in files) {
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var fileName = Path.GetFileNameWithoutExtension(file);
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Console.WriteLine(fileName);
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}
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}
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public static void VersionText() {
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Console.WriteLine("fortune-cs v" + Globals.VERSION);
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}
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}
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@ -2,16 +2,32 @@ using System;
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using System.IO;
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using System.Security.Cryptography;
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// handle help and version flags
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if(Utilities.HasFlags(args, "-h", "--help")) {
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Usage.HelpText();
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return 0;
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}
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if(Utilities.HasFlags(args, "-v", "--version")) {
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Usage.VersionText();
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return 0;
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}
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// make sure fortune directory exists
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var resourcePath = "/usr/share/fortune-cs/";
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var resourcePath = Globals.DEFAULT_PATH;
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if(!Directory.Exists(resourcePath)) {
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Console.WriteLine("fortune-cs: directory '/usr/share/fortune-cs/' does not exist");
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Console.WriteLine($"fortune-cs: directory '${resourcePath}' does not exist");
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return 1;
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}
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// pull file list
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var files = Directory.GetFiles(resourcePath, "*.txt");
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// handle list flag
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if(Utilities.HasFlags(args, "-l", "--list")) {
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Usage.ListText(files);
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return 0;
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}
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// choose a file and line
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var file = files[RandomNumberGenerator.GetInt32(files.Length)];
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var lines = File.ReadAllLines(file);
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17
src/Util.cs
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17
src/Util.cs
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using System;
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public static class Utilities {
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/// <summary>
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/// Checks if a given flag is set in `args`.
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/// </summary>
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public static bool HasFlags(string[] args, params string[] flags) {
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foreach(string flag in flags)
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// using `Array.IndexOf` since including Linq for `array.Contains` increases binary size
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if(Array.IndexOf(args, flag) != -1)
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return true;
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return false;
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}
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}
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