basenameとdirnameを追加

CHANGELOG.md

@@ -12,3 +12,5 @@
 * trueを追加（完了）
 * falseを追加（完了）
 * wcを追加（完了）
+* basenameを追加（完了）
+* dirnameを追加（完了）

Makefile

@@ -2,7 +2,7 @@ NAME=coreutils
 VERSION := $(shell cat version.zig | grep "pub const version" | awk '{print $$5}' | sed "s/\"//g" | sed "s/;//")
 PREFIX=/usr
 MANPREFIX=${PREFIX}/share/man
-PROG=cat cp echo false groups ls mkdir pwd rm touch true wc whoami
+PROG=basename cat cp dirname echo false groups ls mkdir pwd rm touch true wc whoami
 CC=zig build-exe
 RELEASE=ReleaseSmall
 

basename.zig

@@ -0,0 +1,95 @@
+const std = @import("std");
+const fs = std.fs;
+const io = std.io;
+
+const version = @import("version.zig").version;
+
+fn help() !void {
+    const stdof = io.getStdOut().writer();
+    var bw = io.bufferedWriter(stdof);
+    const stdout = bw.writer();
+
+    try stdout.print("076 coreutils\n", .{});
+    try stdout.print("使用法: basename 名前 [接尾辞]\n", .{});
+    try stdout.print("パス名からディレクトリ部分を取り除いた名前を表示します。\n", .{});
+    try stdout.print("指定があれば、末尾の接尾辞も取り除きます。\n\n", .{});
+    try stdout.print("-h ヘルプを表示\n", .{});
+    try stdout.print("-v バージョンを表示\n", .{});
+
+    try bw.flush();
+}
+
+fn ver() !void {
+    const stdof = io.getStdOut().writer();
+    var bw = io.bufferedWriter(stdof);
+    const stdout = bw.writer();
+
+    try stdout.print("basename (076 coreutils) {s}\n", .{version});
+
+    try bw.flush();
+}
+
+pub fn main() !void {
+    var gpa = std.heap.GeneralPurposeAllocator(.{}){};
+    defer _ = gpa.deinit();
+    const alloc = gpa.allocator();
+
+    var option = std.ArrayList(u8).init(alloc);
+    defer option.deinit();
+
+    var name = std.ArrayList([]const u8).init(alloc);
+    defer name.deinit();
+
+    const args = try std.process.argsAlloc(alloc);
+    defer std.process.argsFree(alloc, args);
+
+    for (args, 0..) |arg, i| {
+        if (i == 0) continue;
+        var m: [1]u8 = [_]u8{'-'};
+        if (std.mem.eql(u8, arg[0..1], m[0..])) {
+            for (arg, 0..) |a, j| {
+                if (j == 0) continue;
+                try option.append(a);
+            }
+        } else {
+            try name.append(arg);
+        }
+    }
+
+    for (option.items) |i| {
+        if (i == 'h') {
+            try help();
+            return;
+        }
+        if (i == 'v') {
+            try ver();
+            return;
+        }
+    }
+
+    if (name.items.len == 0) {
+        try help();
+        return;
+    }
+
+    var basename: []const u8 = undefined;
+
+    const stdof = io.getStdOut().writer();
+    var bw = io.bufferedWriter(stdof);
+    const stdout = bw.writer();
+
+    for (name.items, 0..) |item, i| {
+        if (i > 1) break;
+
+        if (i == 0) basename = fs.path.basename(item);
+        if (i == 1) {
+            if (std.mem.endsWith(u8, basename, item)) {
+                const end = basename.len - item.len;
+                basename = basename[0..end];
+            }
+        }
+    }
+
+    try stdout.print("{s}\n", .{basename});
+    try bw.flush();
+}

dirname.zig

@@ -0,0 +1,87 @@
+const std = @import("std");
+const fs = std.fs;
+const io = std.io;
+
+const version = @import("version.zig").version;
+
+fn help() !void {
+    const stdof = io.getStdOut().writer();
+    var bw = io.bufferedWriter(stdof);
+    const stdout = bw.writer();
+
+    try stdout.print("076 coreutils\n", .{});
+    try stdout.print("使用法: dirname 名前\n", .{});
+    try stdout.print("NAME の最後の / (スラッシュ) 以降の要素 (/ を含む) を削除して表示します。\n", .{});
+    try stdout.print("NAME に / が含まれない場合は、(カレントディレクトリを意味する) '.' を表示します。\n\n", .{});
+    try stdout.print("-h ヘルプを表示\n", .{});
+    try stdout.print("-v バージョンを表示\n", .{});
+
+    try bw.flush();
+}
+
+fn ver() !void {
+    const stdof = io.getStdOut().writer();
+    var bw = io.bufferedWriter(stdof);
+    const stdout = bw.writer();
+
+    try stdout.print("dirname (076 coreutils) {s}\n", .{version});
+
+    try bw.flush();
+}
+
+pub fn main() !void {
+    var gpa = std.heap.GeneralPurposeAllocator(.{}){};
+    defer _ = gpa.deinit();
+    const alloc = gpa.allocator();
+
+    var option = std.ArrayList(u8).init(alloc);
+    defer option.deinit();
+
+    var name = std.ArrayList([]const u8).init(alloc);
+    defer name.deinit();
+
+    const args = try std.process.argsAlloc(alloc);
+    defer std.process.argsFree(alloc, args);
+
+    for (args, 0..) |arg, i| {
+        if (i == 0) continue;
+        var m: [1]u8 = [_]u8{'-'};
+        if (std.mem.eql(u8, arg[0..1], m[0..])) {
+            for (arg, 0..) |a, j| {
+                if (j == 0) continue;
+                try option.append(a);
+            }
+        } else {
+            try name.append(arg);
+        }
+    }
+
+    for (option.items) |i| {
+        if (i == 'h') {
+            try help();
+            return;
+        }
+        if (i == 'v') {
+            try ver();
+            return;
+        }
+    }
+
+    if (name.items.len == 0) {
+        try help();
+        return;
+    }
+
+    var dirname: []const u8 = undefined;
+
+    const stdof = io.getStdOut().writer();
+    var bw = io.bufferedWriter(stdof);
+    const stdout = bw.writer();
+
+    for (name.items) |item| {
+        dirname = fs.path.dirname(item) orelse "";
+        try stdout.print("{s}\n", .{dirname});
+    }
+
+    try bw.flush();
+}