valerie/fortune-cs
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merged in specify-file branch

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This commit is contained in:
Valerie Wolfe 2024-03-11 23:36:28 -04:00
commit 1b38e781ad
2 changed files with 34 additions and 9 deletions
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38
src/Program.cs
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@ -14,14 +14,38 @@ if(Utilities.HasFlags(args, "-v", "--version")) {
return 0;
}
// collect nonflag args for merge or file selection
var arguments = Utilities.CollectArgs(args);
// handle merge flag
if(Utilities.HasFlags(args, "-m", "--merge")) {
Utilities.Merge(args);
Utilities.Merge(arguments);
return 0;
}
// get resource path from var or default
string resourcePath = Environment.GetEnvironmentVariable("FORTUNE_CS_DIR");
if(resourcePath == "" || !Directory.Exists(resourcePath))
resourcePath = Globals.DEFAULT_PATH;
// pull file arg if provided
string file = null;
if(arguments.Count == 1) {
file = arguments[0];
// if the file doens't exist, see if it's in `resourcePath`
if(!File.Exists(file)) {
if(!file.EndsWith(".txt"))
file = file + ".txt";
file = resourcePath + file;
if(!File.Exists(file)) {
// don't try to read a file that doesn't exist
Console.WriteLine($"fortune-cs: no file '{file}' found.");
return 2;
}
}
}
// make sure fortune directory exists
var resourcePath = Globals.DEFAULT_PATH;
if(!Directory.Exists(resourcePath)) {
Console.WriteLine($"fortune-cs: directory '${resourcePath}' does not exist");
return 1;
@ -36,15 +60,17 @@ if(Utilities.HasFlags(args, "-l", "--list")) {
return 0;
}
// choose a file and line
var file = files[RandomNumberGenerator.GetInt32(files.Length)];
// choose file if not provided
if(file == null)
file = files[RandomNumberGenerator.GetInt32(files.Length)];
// read the file and choose a line
var lines = File.ReadAllLines(file);
var line = lines[RandomNumberGenerator.GetInt32(lines.Length)];
// process escape codes
// process line breaks
line = line.Replace("\\n", "\n");
// write
// write the fortune
Console.WriteLine(line);
return 0;

5
src/Util.cs
View file

@ -27,10 +27,9 @@ public static class Utilities {
}
/// <summary>
/// outputs all unique lines from all files in `args` to stdout
/// outputs all unique lines from all files in `files` to stdout
/// </summary>
public static void Merge(string[] args) {
var files = CollectArgs(args);
public static void Merge(List<string> files) {
// hashset to prevent duplicates
var members = new HashSet<string>();
// iterate over all paths given