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author | Chris Boesch <chrboesch@noreply.codeberg.org> | 2024-03-27 18:54:51 +0000 |
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committer | Chris Boesch <chrboesch@noreply.codeberg.org> | 2024-03-27 18:54:51 +0000 |
commit | 20919722ff6dc43a6b22ed58282acd1168a4ec6c (patch) | |
tree | 603488093500f13cac8e937e7c498b91f90980a8 /exercises/107_files2.zig | |
parent | a3de4e3d0f8a96bcc8f6ddbd849b685f8e882d8e (diff) | |
parent | db21ab98559ef8f778e54dc6376cc5567f6d3534 (diff) |
Merge pull request 'added exercise/106_files.zig' (#66) from dizzyi_solo/exercises:main into main
Reviewed-on: https://codeberg.org/ziglings/exercises/pulls/66
Diffstat (limited to 'exercises/107_files2.zig')
-rw-r--r-- | exercises/107_files2.zig | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/exercises/107_files2.zig b/exercises/107_files2.zig new file mode 100644 index 0000000..dadfdf6 --- /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 {d} byte: {s}\n", .{ + byte_read, + content, // change this line only + }); +} |