mirror of
https://github.com/RGBCube/serenity
synced 2025-10-31 19:22:45 +00:00
49 lines
1.4 KiB
C++
49 lines
1.4 KiB
C++
/*
|
|
* Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
|
|
* Copyright (c) 2022, Lucas Chollet <lucas.chollet@free.fr>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include <AK/Vector.h>
|
|
#include <LibCore/ArgsParser.h>
|
|
#include <LibCore/Stream.h>
|
|
#include <LibCore/System.h>
|
|
#include <LibMain/Main.h>
|
|
|
|
ErrorOr<int> serenity_main(Main::Arguments arguments)
|
|
{
|
|
TRY(Core::System::pledge("stdio rpath"));
|
|
|
|
Vector<StringView> paths;
|
|
|
|
Core::ArgsParser args_parser;
|
|
args_parser.set_general_help("Concatenate files or pipes to stdout.");
|
|
args_parser.add_positional_argument(paths, "File path", "path", Core::ArgsParser::Required::No);
|
|
args_parser.parse(arguments);
|
|
|
|
if (paths.is_empty())
|
|
paths.append("-"sv);
|
|
|
|
Vector<NonnullOwnPtr<Core::Stream::File>> files;
|
|
TRY(files.try_ensure_capacity(paths.size()));
|
|
|
|
for (auto const& path : paths) {
|
|
if (auto result = Core::Stream::File::open_file_or_standard_stream(path, Core::Stream::OpenMode::Read); result.is_error())
|
|
warnln("Failed to open {}: {}", path, result.release_error());
|
|
else
|
|
files.unchecked_append(result.release_value());
|
|
}
|
|
|
|
TRY(Core::System::pledge("stdio"));
|
|
|
|
Array<u8, 32768> buffer;
|
|
for (auto const& file : files) {
|
|
while (!file->is_eof()) {
|
|
auto const buffer_span = TRY(file->read(buffer));
|
|
out("{:s}", buffer_span);
|
|
}
|
|
}
|
|
|
|
return files.size() != paths.size();
|
|
}
|