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Utilities: Add an xzcat utility

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This commit is contained in:
Tim Schumacher 2023-03-11 14:30:17 +01:00 • committed by Andreas Kling
parent 9e990f7329
commit a61c120b3f
2 changed files with 37 additions and 1 deletions
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3
Userland/Utilities/CMakeLists.txt
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@ -8,7 +8,7 @@ list(APPEND REQUIRED_TARGETS
)
list(APPEND RECOMMENDED_TARGETS
adjtime aplay abench asctl bt checksum chres cksum copy fortune gunzip gzip init install keymap lsirq lsof lspci lzcat man mknod mktemp
nc netstat notify ntpquery open passwd pls printf pro shot strings tar tt unzip wallpaper zip
nc netstat notify ntpquery open passwd pls printf pro shot strings tar tt unzip wallpaper xzcat zip
)
# FIXME: Support specifying component dependencies for utilities (e.g. WebSocket for telws)
@ -138,6 +138,7 @@ target_link_libraries(wallpaper PRIVATE LibGfx LibGUI)
target_link_libraries(wasm PRIVATE LibWasm LibLine LibJS)
target_link_libraries(wsctl PRIVATE LibGUI LibIPC)
target_link_libraries(xml PRIVATE LibXML)
target_link_libraries(xzcat PRIVATE LibCompress)
target_link_libraries(zip PRIVATE LibArchive LibCompress LibCrypto)
# FIXME: Link this file into headless-browser without compiling it again.

35
Userland/Utilities/xzcat.cpp Normal file
View file

@ -0,0 +1,35 @@
/*
* Copyright (c) 2023, Tim Schumacher <timschumi@gmx.de>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibCompress/Xz.h>
#include <LibCore/ArgsParser.h>
#include <LibCore/File.h>
#include <LibCore/System.h>
#include <LibMain/Main.h>
ErrorOr<int> serenity_main(Main::Arguments arguments)
{
TRY(Core::System::pledge("rpath stdio"));
StringView filename;
Core::ArgsParser args_parser;
args_parser.set_general_help("Decompress and print an XZ archive");
args_parser.add_positional_argument(filename, "File to decompress", "file");
args_parser.parse(arguments);
auto file = TRY(Core::File::open_file_or_standard_stream(filename, Core::File::OpenMode::Read));
auto stream = TRY(Compress::XzDecompressor::create(move(file)));
// Arbitrarily chosen buffer size.
Array<u8, 4096> buffer;
while (!stream->is_eof()) {
auto slice = TRY(stream->read_some(buffer));
out("{:s}", slice);
}
return 0;
}