128 行
4.4 KiB
Zig
128 行
4.4 KiB
Zig
const std = @import("std");
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const toki = @import("libtoki/src/main.zig");
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const fs = std.fs;
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const io = std.io;
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const version = @import("version.zig");
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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: ls [オプション]... [ファイル]...\n\n", .{});
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try stdout.print("FILE (デフォルトは現在のディレクトリ) に関する情報を一覧表示します。\n\n", .{});
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//try stdout.print("-a . で始まる要素を無視しない\n", .{});
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//try stdout.print("-A . および .. を一覧表示しない\n", .{});
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try stdout.print("-l use a long listing format\n", .{});
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//try stdout.print("-m -l と併せて使用され、サイズを 1K, 234M, 2Gのような形式で表示する。\n", .{});
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//try stdout.print("-r ソート順を反転させる\n", .{});
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//try stdout.print("-R 子ディレクトリを再帰的に一覧表示する\n", .{});
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try stdout.print("-s ブロック単位で各ファイルサイズを表示する\n", .{});
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//try stdout.print("-S sort by file size, largest first\n", .{});
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//try stdout.print("-t 時刻で新しい順にソートする\n", .{});
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//try stdout.print("-X 拡張子のアルファベット順にソートする\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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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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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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}
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}
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var isa: bool = false;
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var isA: bool = false;
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var isl: bool = false;
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var ism: bool = false;
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var isr: bool = false;
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var isR: bool = false;
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var iss: bool = false;
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var isS: bool = false;
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var ist: bool = false;
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var isX: 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 version.ver("ls");
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return;
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}
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if (i == 'a') isa = true;
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if (i == 'A') isA = true;
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if (i == 'l') isl = true;
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if (i == 'm') ism = true;
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if (i == 'r') isr = true;
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if (i == 'R') isR = true;
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if (i == 's') iss = true;
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if (i == 'S') isS = true;
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if (i == 't') ist = true;
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if (i == 'X') isX = true;
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}
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const dir = try fs.cwd().openIterableDir(".", .{});
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var iter = dir.iterate();
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var stdout = io.getStdOut().writer();
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if (isl) {
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//try stdout.print("許可\tオーナー\tグループ\t", .{});
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try stdout.print("サイズ\t変更日 (GMT)\t\tファイル名\n", .{});
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}
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while (try iter.next()) |entry| {
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if (iss) {
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const BLOCK_SIZE: usize = 4096;
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var file = try fs.cwd().openFile(entry.name, .{});
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defer file.close();
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const stat = try file.stat();
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const size = stat.size;
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try stdout.print("{d} {s}\t", .{ size / BLOCK_SIZE, entry.name });
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} else if (isl) {
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var file = try fs.cwd().openFile(entry.name, .{});
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defer file.close();
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var stats = try file.stat();
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std.debug.print("stat: {}\n", .{stats});
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var t = stats.mtime;
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const unix = toki.nanoToSecond(@intCast(t));
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const dt = toki.unixToDateTime(unix);
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try stdout.print("{d}\t{d}-{s}-{s} {s}:{s}:{s}\t{s}\n", .{
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stats.size,
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dt.year,
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toki.fmtDigit(@intCast(dt.month)),
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toki.fmtDigit(@intCast(dt.day)),
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toki.fmtDigit(@intCast(dt.hour)),
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toki.fmtDigit(@intCast(dt.minute)),
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toki.fmtDigit(@intCast(dt.second)),
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entry.name,
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});
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} else {
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try stdout.print("{s}\t", .{entry.name});
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}
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}
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try stdout.print("\n", .{});
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}
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