pwd
このコミットが含まれているのは:
コミット
e8f2095890
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@ -2,5 +2,6 @@
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* catを追加
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* cpを追加
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* lsを追加
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* pwdを追加(完了)
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* rmを追加(完了)
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* touchを追加
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2
Makefile
2
Makefile
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@ -8,6 +8,7 @@ all:
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cd cat && make && mv cat ../bin && rm -rf cat.o && cd ..
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cd cp && make && mv cp ../bin && rm -rf cp.o && cd ..
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cd ls && make && mv ls ../bin && rm -rf ls.o && cd ..
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cd pwd && make && mv pwd ../bin && rm -rf pwd.o && cd ..
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cd rm && make && mv rm ../bin && rm -rf rm.o && cd ..
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cd touch && make && mv touch ../bin && rm -rf touch.o && cd ..
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@ -20,6 +21,7 @@ install: all
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chmod 755 ${DESTDIR}${PREFIX}/bin/cat
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chmod 755 ${DESTDIR}${PREFIX}/bin/cp
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chmod 755 ${DESTDIR}${PREFIX}/bin/ls
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chmod 755 ${DESTDIR}${PREFIX}/bin/pwd
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chmod 755 ${DESTDIR}${PREFIX}/bin/rm
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chmod 755 ${DESTDIR}${PREFIX}/bin/touch
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#mkdir -p ${DESTDIR}${MANPREFIX}/man1
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@ -0,0 +1,13 @@
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NAME=pwd
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VERSION := $(shell cat ../Makefile | grep "VERSION=" | sed 's/VERSION=//')
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SRC=${NAME}.zig
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CC=zig build-exe
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RELEASE=ReleaseSmall
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all:
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${CC} ${SRC} -O ${RELEASE} --name ${NAME}
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clean:
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rm -f ${NAME} ${NAME}.o
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.PHONY: all clean
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@ -0,0 +1,75 @@
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const std = @import("std");
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const io = std.io;
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const os = std.os;
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const fs = std.fs;
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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: pwd\n", .{});
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try stdout.print("現在のパスを表示する。\n\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("pwd (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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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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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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}
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var buf: [fs.MAX_PATH_BYTES]u8 = undefined;
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const cwd = fs.cwd();
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const path = try cwd.realpath(".", &buf);
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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("{s}\n", .{std.mem.trim(u8, path, "\x00")});
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try bw.flush();
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}
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