From 3a645ac9dbe77bd0a83ca6ae3266f16628924861 Mon Sep 17 00:00:00 2001 From: Chris Boesch Date: Sun, 28 Dec 2025 21:19:31 +0100 Subject: exc. 107 migrated --- exercises/107_files2.zig | 22 +++++++++++++++------- 1 file changed, 15 insertions(+), 7 deletions(-) (limited to 'exercises/107_files2.zig') diff --git a/exercises/107_files2.zig b/exercises/107_files2.zig index 9b94101..a11c46a 100644 --- a/exercises/107_files2.zig +++ b/exercises/107_files2.zig @@ -15,20 +15,25 @@ // - Then, we initialize an array of characters with all letter 'A', and print it // - After that, we read the content of the file into the array // - Finally, we print out the content we just read +// +// Note: For simplicity, we read byte-by-byte without buffering. +// In real applications, you'd typically use a buffer for better +// performance. We'll learn about buffered I/O in a later exercise. const std = @import("std"); +const io = std.Options.debug_io; pub fn main() !void { // Get the current working directory - const cwd = std.fs.cwd(); + const cwd = std.Io.Dir.cwd(); // try to open ./output assuming you did your 106_files exercise - var output_dir = try cwd.openDir("output", .{}); - defer output_dir.close(); + var output_dir = try cwd.openDir(io, "output", .{}); + defer output_dir.close(io); // try to open the file - const file = try output_dir.openFile("zigling.txt", .{}); - defer file.close(); + const file = try output_dir.openFile(io, "zigling.txt", .{}); + defer file.close(io); // initialize an array of u8 with all letter 'A' // we need to pick the size of the array, 64 seems like a good number @@ -37,10 +42,13 @@ pub fn main() !void { // this should print out : `AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA` std.debug.print("{s}\n", .{content}); + var file_reader = file.reader(io, &.{}); + const reader = &file_reader.interface; + // okay, seems like a threat of violence is not the answer in this case // can you go here to find a way to read the content? - // https://ziglang.org/documentation/master/std/#std.fs.File - // hint: you might find two answers that are both valid in this case + // https://ziglang.org/documentation/master/std/#std.Io.Reader + // hint: look for a method that reads into a slice const bytes_read = zig_read_the_file_or_i_will_fight_you(&content); // Woah, too screamy. I know you're excited for zigling time but tone it down a bit. -- cgit v1.2.3