35 lines
865 B
Zig
35 lines
865 B
Zig
const std = @import("std");
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const stdout = std.io.getStdOut().writer();
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pub fn main() anyerror!void {
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const args = try std.process.argsAlloc(std.heap.page_allocator);
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if (args.len <= 1) {
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try print_input();
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}
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for (args[1..]) |f| {
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if (std.mem.eql(u8, f, "-")) { try print_input(); }
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else { try print_file (f); }
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}
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}
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fn print_input() !void {
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try print_all (std.io.getStdIn());
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}
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fn print_file(dest: []const u8) !void {
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var file = try std.fs.cwd().openFile(dest, .{ .mode = .read_only });
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defer file.close();
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try print_all (file);
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}
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fn print_all(reader: std.fs.File) !void {
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var buffer: [4096]u8 = undefined;
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while (true) {
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const nbytes = try reader.read(&buffer);
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try stdout.print("{s}", .{buffer[0..nbytes]});
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if (nbytes == 0) break;
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}
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}
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