From 01d5110f36ae4e55fde034f0cb3c1ebf678c2cbd Mon Sep 17 00:00:00 2001 From: jonathan santis Date: Mon, 14 Oct 2024 08:52:08 +0200 Subject: [PATCH] init --- main.zig | 72 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 72 insertions(+) create mode 100644 main.zig diff --git a/main.zig b/main.zig new file mode 100644 index 0000000..68ca62f --- /dev/null +++ b/main.zig @@ -0,0 +1,72 @@ +const std = @import("std"); +const expect = std.testing.expect; +const print = std.debug.print; +const getenv = std.posix.getenv; + +pub fn main() !void { + //const buffer: [:0]u8 = undefined; + std.debug.print("Hello, {s}\n", .{"World"}); + try createFile(); + if (getenv("TERM")) |buf| { + const buffer = buf; + _ = buffer; + print("Buffer:{s}\n", .{buf}); + + const slice = getNum("123dsfiauf_123_45t63sadf9875,231,1"); + //_ = slice; + print("number1: {d}", .{slice[0]}); + //for (slice) |num| { + // print("extracted number:\n{d}\n", .{num}); + //} + } else { + print("Error getenv\n", .{}); + } +} + +fn getNum(str1: []const u8) []u64 { + //_ = str1; + var pos: u64 = 0; + var num = std.mem.zeroes([64]u64); + var num_res = std.mem.zeroes([64]u64); + var it: u64 = 0; + for (str1, 0..) |elem, it2| { + // print("Elem: {} ", .{elem}); + if (elem >= 48 and elem <= 57) { //is ascii number + num[pos] = @intCast(elem - 48); + pos += 1; + } + if ((elem < 48 or elem > 57) or it2 == (str1.len - 1)) { //add case when if last element create te int + if (pos != 0) { + for (0..pos) |i| { + if (i < pos - 1) { + num_res[it] = num_res[it] + num[i] * (std.math.pow(u64, 10, (pos - i - 1))); + } else { + num_res[it] = num_res[it] + num[i]; + } + } + print("numres:{}={}\n", .{ it, num_res[it] }); + pos = 0; + it += 1; + } + } + } + return &num_res; +} +fn createFile() !void { + const file = try std.fs.cwd().openFile("junk-file.txt", .{}); + defer file.close(); + + // const bytes_written = try file.writeAll("hello world!"); + // //_ = bytes_written; + // std.debug.print("files written:{any}, {any}", .{ bytes_written, @TypeOf(bytes_written) }); + + var buffer: [100]u8 = undefined; + try file.seekTo(0); + const bytes_read = try file.readAll(&buffer); + print("buffer: {s} check: {s}\n", .{ buffer[0..bytes_read], "hello world!" }); + if (std.mem.eql(u8, buffer[0 .. bytes_read - 1], "hello world!") == true) { + print("equal\n", .{}); + } else { + print("not equal\n", .{}); + } +}