100 行
2.7 KiB
Zig
100 行
2.7 KiB
Zig
const std = @import("std");
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const fs = std.fs;
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const io = std.io;
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const version = "1.0.0";
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fn help() !void {
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const stdof = io.getStdOut().writer();
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var bw = io.bufferedWriter(stdof);
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const stdout = bw.writer();
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try stdout.print("076 coreutils\n", .{});
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try stdout.print("使用法: mkdir [OPTION]... DIRECTORY...\n", .{});
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try stdout.print("ディレクトリが存在しない場合に、ディレクトリを作成します。\n\n", .{});
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try stdout.print("-p ディレクトリが存在していてもエラーを返さない。\n 必要に応じて親ディレクトリを作成する。\n", .{});
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try stdout.print("-h ヘルプを表示\n", .{});
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try stdout.print("-v バージョンを表示\n", .{});
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try bw.flush();
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}
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fn ver() !void {
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const stdof = io.getStdOut().writer();
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var bw = io.bufferedWriter(stdof);
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const stdout = bw.writer();
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try stdout.print("mkdir (076 coreutils) {s}\n", .{version});
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try bw.flush();
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}
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pub fn main() !void {
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var gpa = std.heap.GeneralPurposeAllocator(.{}){};
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defer _ = gpa.deinit();
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const alloc = gpa.allocator();
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var option = std.ArrayList(u8).init(alloc);
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defer option.deinit();
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var fname = std.ArrayList([]const u8).init(alloc);
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defer fname.deinit();
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const args = try std.process.argsAlloc(alloc);
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defer std.process.argsFree(alloc, args);
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for (args, 0..) |arg, i| {
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if (i == 0) continue;
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var m: [1]u8 = [_]u8{'-'};
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if (std.mem.eql(u8, arg[0..1], m[0..])) {
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for (arg, 0..) |a, j| {
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if (j == 0) continue;
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try option.append(a);
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}
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} else {
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try fname.append(arg);
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}
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}
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var isoya: bool = false;
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for (option.items) |i| {
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if (i == 'h') {
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try help();
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return;
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}
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if (i == 'v') {
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try ver();
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return;
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}
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if (i == 'p') {
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isoya = true;
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}
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}
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if (fname.items.len == 0) {
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try help();
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return;
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}
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for (fname.items) |item| {
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if (isoya) {
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var tmp_path = std.ArrayList(u8).init(alloc);
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defer tmp_path.deinit();
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var it = std.mem.split(u8, item, "/");
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while (it.next()) |comp| {
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_ = try tmp_path.appendSlice(comp);
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_ = try tmp_path.append('/');
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const tmp_path_str = tmp_path.items;
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_ = fs.cwd().makeDir(tmp_path_str) catch |err| switch (err) {
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error.PathAlreadyExists => {},
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else => |e| return e,
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};
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}
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} else {
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try fs.cwd().makeDir(item);
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}
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}
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}
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