Remove useless code and comments.

src/ls.zig

@@ -10,36 +10,12 @@ const fmt = std.fmt;
 const Kind = std.fs.File.Kind;
 const PermissionsUnix = std.fs.File.PermissionsUnix;
 
-// // /absolute/path/file => fpath + sep + entry.name
-// std.mem.copy (u8, fullname[0..], fpath);
-// fullname[fpath.len] = path.sep; // '/' on Unix-like systems, '\' on Windows.
-// std.mem.copy (u8, fullname[fpath.len+1..], entry.name);
-// try print_file(fullname[0..fpath.len+1+entry.name.len]);
-
-// Stats
-// .size = @bitCast(u64, info.StandardInformation.EndOfFile),
-// .mode = 0,
-// .atime = LastAccessTime
-// .mtime = LastWriteTime
-// .ctime = CreationTime
-
-
 // WON'T: human output => use human command instead
 // TODO: error management.
-// TODO: verbose output (-l).
 
 pub const cwd = fs.cwd();
 
-const Sorting = enum {
-    None,
-    DateCreation,   // TODO
-    DateLastAccess, // TODO
-    DateLastWrite,  // TODO
-    Size,           // TODO
-};
-
 const Options = struct {
-    sorting: Sorting = Sorting.None,
     verbose: bool = false,
 };
 
@@ -110,7 +86,8 @@ fn print_file (fpath: []const u8) !void {
     }
 
     const dname = path.dirname(fpath);
-    var dir: fs.Dir = cwd.openDir(dname.?, .{}) catch |err| switch (err) {
+    var dpath = dname orelse ".";
+    var dir: fs.Dir = cwd.openDir(dpath, .{}) catch |err| switch (err) {
         error.AccessDenied => return lib.print("{s}: access denied\n", .{dname}),
         else => return err,
     };
@@ -124,7 +101,6 @@ fn print_file_in_dir (dir: fs.Dir, entryname: []const u8) !void {
         return lib.print("{s}\n", .{entryname});
     }
 
-    // lib.print("{}\n", .{try dir.statFile(entryname)});
     return try print_stats (entryname, try dir.fstatat(entryname));
 }