From 74a6e60e17d8e71f9df37e3ac6ae30b4718e6034 Mon Sep 17 00:00:00 2001 From: Alan CHUNG Date: Mon, 25 Mar 2024 16:39:45 +0800 Subject: add patch files for 106_files.zig --- patches/patches/106_files.patch | Bin 0 -> 2630 bytes 1 file changed, 0 insertions(+), 0 deletions(-) create mode 100644 patches/patches/106_files.patch (limited to 'patches') diff --git a/patches/patches/106_files.patch b/patches/patches/106_files.patch new file mode 100644 index 0000000..07852c0 Binary files /dev/null and b/patches/patches/106_files.patch differ -- cgit v1.2.3-70-g09d2 From 9bf7a84e56e55b89eb8d08f275b31ed2bb6e1ce5 Mon Sep 17 00:00:00 2001 From: Alan CHUNG Date: Tue, 26 Mar 2024 13:53:29 +0800 Subject: 106_files.patches actual --- patches/patches/106_files.patch | Bin 2630 -> 2632 bytes 1 file changed, 0 insertions(+), 0 deletions(-) (limited to 'patches') diff --git a/patches/patches/106_files.patch b/patches/patches/106_files.patch index 07852c0..5a0cffc 100644 Binary files a/patches/patches/106_files.patch and b/patches/patches/106_files.patch differ -- cgit v1.2.3-70-g09d2 From 92ea6718b2b41092d3927566d6610f3758f00822 Mon Sep 17 00:00:00 2001 From: Alan CHUNG Date: Tue, 26 Mar 2024 14:01:12 +0800 Subject: remove header of patch files of 106 --- patches/patches/106_files.patch | Bin 2632 -> 2442 bytes 1 file changed, 0 insertions(+), 0 deletions(-) (limited to 'patches') diff --git a/patches/patches/106_files.patch b/patches/patches/106_files.patch index 5a0cffc..bee6120 100644 Binary files a/patches/patches/106_files.patch and b/patches/patches/106_files.patch differ -- cgit v1.2.3-70-g09d2 From 2c44f3e4ff6f2310b060779c3d344d4929f0c89d Mon Sep 17 00:00:00 2001 From: Alan CHUNG Date: Tue, 26 Mar 2024 14:03:54 +0800 Subject: specify directory on patch file 106 --- patches/patches/106_files.patch | Bin 2442 -> 2470 bytes 1 file changed, 0 insertions(+), 0 deletions(-) (limited to 'patches') diff --git a/patches/patches/106_files.patch b/patches/patches/106_files.patch index bee6120..62fa3f9 100644 Binary files a/patches/patches/106_files.patch and b/patches/patches/106_files.patch differ -- cgit v1.2.3-70-g09d2 From 5f74c7f9115cddfadfba3afb34262665544b1324 Mon Sep 17 00:00:00 2001 From: Alan CHUNG Date: Tue, 26 Mar 2024 14:05:16 +0800 Subject: specify directory on patch file 106 --- patches/patches/106_files.patch | Bin 2470 -> 2430 bytes 1 file changed, 0 insertions(+), 0 deletions(-) (limited to 'patches') diff --git a/patches/patches/106_files.patch b/patches/patches/106_files.patch index 62fa3f9..500f9a7 100644 Binary files a/patches/patches/106_files.patch and b/patches/patches/106_files.patch differ -- cgit v1.2.3-70-g09d2 From 69bc9a072349b5e712b709c238daceec211d6687 Mon Sep 17 00:00:00 2001 From: Alan CHUNG Date: Tue, 26 Mar 2024 14:33:25 +0800 Subject: Pass CI test locally --- patches/patches/106_files.patch | Bin 2430 -> 1203 bytes 1 file changed, 0 insertions(+), 0 deletions(-) (limited to 'patches') diff --git a/patches/patches/106_files.patch b/patches/patches/106_files.patch index 500f9a7..3fad939 100644 Binary files a/patches/patches/106_files.patch and b/patches/patches/106_files.patch differ -- cgit v1.2.3-70-g09d2 From 223fc79e441dab99297472a0cfe8a4c63e423b4e Mon Sep 17 00:00:00 2001 From: Alan CHUNG Date: Wed, 27 Mar 2024 16:40:24 +0800 Subject: 106 & 107 --- build.zig | 9 ++++++- exercises/106_files.zig | 9 ++++--- exercises/107_files2.zig | 52 ++++++++++++++++++++++++++++++++++++++++ patches/patches/106_files.patch | 24 ++++++++----------- patches/patches/107_files2.patch | 26 ++++++++++++++++++++ 5 files changed, 100 insertions(+), 20 deletions(-) create mode 100644 exercises/107_files2.zig create mode 100644 patches/patches/107_files2.patch (limited to 'patches') diff --git a/build.zig b/build.zig index 4517ff6..3c3d414 100644 --- a/build.zig +++ b/build.zig @@ -1123,7 +1123,14 @@ const exercises = [_]Exercise{ }, .{ .main_file = "106_files.zig", - .output = "Succefully wrote 18 bytes.", + .output = "Successfully wrote 18 bytes.", + }, + .{ + .main_file = "107_files2.zig", + .output = + \\AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA + \\Successfully Read 18 byte: It's zigling time! + , }, .{ .main_file = "999_the_end.zig", diff --git a/exercises/106_files.zig b/exercises/106_files.zig index b590679..78e6611 100644 --- a/exercises/106_files.zig +++ b/exercises/106_files.zig @@ -35,9 +35,7 @@ pub fn main() !void { // by doing nothing // // we want to catch error.PathAlreadyExists and do nothing - ??? => { - ???; - }, + ??? => {}, // if is any other unexpected error we just propagate it through else => return e, }; @@ -46,7 +44,8 @@ pub fn main() !void { // wait a minute // opening a directory might fail! // what should we do here? - const output_dir: std.fs.Dir = cwd.openDir("output", .{}); + var output_dir: std.fs.Dir = cwd.openDir("output", .{}); + defer output_dir.close(); // we try to open the file `zigling.txt`, // and propagate the error up if there are any errors @@ -60,7 +59,7 @@ pub fn main() !void { // !you are not allow to switch this two lines to before file closing line! const byte_written = try file.write("It's zigling time!"); - std.debug.print("Succefully wrote {} bytes.\n", .{byte_written}); + std.debug.print("Successfully wrote {} bytes.\n", .{byte_written}); } // to check if you actually write to the file, you can either, // 1. open the file on your text editor, or diff --git a/exercises/107_files2.zig b/exercises/107_files2.zig new file mode 100644 index 0000000..18d59ef --- /dev/null +++ b/exercises/107_files2.zig @@ -0,0 +1,52 @@ +// +// Prerequisite : +// - exercise/106_files.zig, or +// - create a file {project_root}/output/zigling.txt +// with content `It's zigling time!`(18 byte total) +// +// Now there no point in writing to a file if we don't read from it am I right? +// let's wrote a program to read the content of the file that we just created. +// +// I am assuming you've created the appropriate files for this to work. +// +// Alright, bud, lean in close here's the game plan. +// - First, we open the {project_root}/output/ directory +// - Secondly, we open file `zigling.txt` in that directory +// - then, we initalize an array of character with all letter 'A', and print it +// - Afte that, we read the content of the file to the array +// - Finally, we print out the read content + +const std = @import("std"); + +pub fn main() !void { + // Get the current working directory + const cwd = std.fs.cwd(); + + // try to open ./output assuming you did your 106_files exercise + var output_dir = try cwd.openDir("output", .{}); + defer output_dir.close(); + + // try to open the file + const file = try output_dir.openFile("zigling.txt", .{}); + defer file.close(); + + // initalize an array of u8 with all letter 'A'. + // we need to pick a size of the array, 64 seems like a good number. + // fix the initalization below + var content = ['A']*64; + // this should print out : `AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA` + std.debug.print("{s}\n", .{content}); + + // okay, seem like 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 answer that are both vaild in this case + const byte_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 + // Can you print only what we read from the file ? + std.debug.print("Successfully Read {} byte: {s}\n", .{ + byte_read, + content, // change this line only + }); +} diff --git a/patches/patches/106_files.patch b/patches/patches/106_files.patch index 3fad939..ffe18ac 100644 --- a/patches/patches/106_files.patch +++ b/patches/patches/106_files.patch @@ -1,28 +1,24 @@ ---- exercises/106_files.zig -+++ answers/106_files.zig -@@ -35,9 +35,9 @@ pub fn main() !void { +--- exercises/106_files.zig 2024-03-27 16:36:44.593077000 +0800 ++++ answers/106_files.zig 2024-03-27 16:36:31.548155100 +0800 +@@ -35,7 +35,7 @@ // by doing nothing // // we want to catch error.PathAlreadyExists and do nothing -- ??? => { -- ???; -- }, -+ error.PathAlreadyExists => { -+ return; -+ }, +- ??? => {}, ++ error.PathAlreadyExists => {}, // if is any other unexpected error we just propagate it through else => return e, }; -@@ -46,7 +46,7 @@ pub fn main() !void { +@@ -44,7 +44,7 @@ // wait a minute // opening a directory might fail! // what should we do here? -- const output_dir: std.fs.Dir = cwd.openDir("output", .{}); -+ const output_dir: std.fs.Dir = try cwd.openDir("output", .{}); +- var output_dir: std.fs.Dir = cwd.openDir("output", .{}); ++ var output_dir: std.fs.Dir = try cwd.openDir("output", .{}); + defer output_dir.close(); // we try to open the file `zigling.txt`, - // and propagate the error up if there are any errors -@@ -56,7 +56,7 @@ pub fn main() !void { +@@ -55,7 +55,7 @@ // but here we are not yet done writing to the file // if only there are a keyword in zig that // allow you "defer" code execute to the end of scope... diff --git a/patches/patches/107_files2.patch b/patches/patches/107_files2.patch new file mode 100644 index 0000000..a275c70 --- /dev/null +++ b/patches/patches/107_files2.patch @@ -0,0 +1,26 @@ +--- exercises/107_files2.zig 2024-03-27 16:36:56.733062700 +0800 ++++ answers/107_files2.zig 2024-03-27 16:36:52.894505100 +0800 +@@ -33,7 +33,7 @@ + // initalize an array of u8 with all letter 'A'. + // we need to pick a size of the array, 64 seems like a good number. + // fix the initalization below +- var content = ['A']*64; ++ var content = [_]u8{'A'} ** 64; + // this should print out : `AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA` + std.debug.print("{s}\n", .{content}); + +@@ -41,12 +41,12 @@ + // 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 answer that are both vaild in this case +- const byte_read = zig_read_the_file_or_i_will_fight_you(&content); ++ const byte_read = try file.read(&content); + + // Woah, too screamy, I know you're excited for zigling time but tone it down a bit + // Can you print only what we read from the file ? + std.debug.print("Successfully Read {} byte: {s}\n", .{ + byte_read, +- content, // change this line only ++ content[0..byte_read], // change this line only + }); + } -- cgit v1.2.3-70-g09d2 From 05589f8ba1f7a419712a15e3385bd4f0180fb48c Mon Sep 17 00:00:00 2001 From: Alan CHUNG Date: Wed, 27 Mar 2024 16:53:19 +0800 Subject: added format parameter {d} --- exercises/106_files.zig | 2 +- exercises/107_files2.zig | 2 +- patches/patches/106_files.patch | 4 ++-- patches/patches/107_files2.patch | 6 +++--- 4 files changed, 7 insertions(+), 7 deletions(-) (limited to 'patches') diff --git a/exercises/106_files.zig b/exercises/106_files.zig index 78e6611..aa58ee0 100644 --- a/exercises/106_files.zig +++ b/exercises/106_files.zig @@ -59,7 +59,7 @@ pub fn main() !void { // !you are not allow to switch this two lines to before file closing line! const byte_written = try file.write("It's zigling time!"); - std.debug.print("Successfully wrote {} bytes.\n", .{byte_written}); + std.debug.print("Successfully wrote {d} bytes.\n", .{byte_written}); } // to check if you actually write to the file, you can either, // 1. open the file on your text editor, or diff --git a/exercises/107_files2.zig b/exercises/107_files2.zig index 18d59ef..dadfdf6 100644 --- a/exercises/107_files2.zig +++ b/exercises/107_files2.zig @@ -45,7 +45,7 @@ pub fn main() !void { // Woah, too screamy, I know you're excited for zigling time but tone it down a bit // Can you print only what we read from the file ? - std.debug.print("Successfully Read {} byte: {s}\n", .{ + std.debug.print("Successfully Read {d} byte: {s}\n", .{ byte_read, content, // change this line only }); diff --git a/patches/patches/106_files.patch b/patches/patches/106_files.patch index ffe18ac..7927cee 100644 --- a/patches/patches/106_files.patch +++ b/patches/patches/106_files.patch @@ -1,5 +1,5 @@ ---- exercises/106_files.zig 2024-03-27 16:36:44.593077000 +0800 -+++ answers/106_files.zig 2024-03-27 16:36:31.548155100 +0800 +--- exercises/106_files.zig 2024-03-27 16:52:05.660910200 +0800 ++++ answers/106_files.zig 2024-03-27 16:52:09.649422200 +0800 @@ -35,7 +35,7 @@ // by doing nothing // diff --git a/patches/patches/107_files2.patch b/patches/patches/107_files2.patch index a275c70..57e04e7 100644 --- a/patches/patches/107_files2.patch +++ b/patches/patches/107_files2.patch @@ -1,5 +1,5 @@ ---- exercises/107_files2.zig 2024-03-27 16:36:56.733062700 +0800 -+++ answers/107_files2.zig 2024-03-27 16:36:52.894505100 +0800 +--- exercises/107_files2.zig 2024-03-27 16:51:56.199719600 +0800 ++++ answers/107_files2.zig 2024-03-27 16:52:01.650935300 +0800 @@ -33,7 +33,7 @@ // initalize an array of u8 with all letter 'A'. // we need to pick a size of the array, 64 seems like a good number. @@ -18,7 +18,7 @@ // Woah, too screamy, I know you're excited for zigling time but tone it down a bit // Can you print only what we read from the file ? - std.debug.print("Successfully Read {} byte: {s}\n", .{ + std.debug.print("Successfully Read {d} byte: {s}\n", .{ byte_read, - content, // change this line only + content[0..byte_read], // change this line only -- cgit v1.2.3-70-g09d2