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29 lines
736 B
C++
29 lines
736 B
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include "AK/String.h"
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#include <AK/Assertions.h>
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#include <AK/Format.h>
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#include <LibCore/System.h>
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#include <LibMain/Main.h>
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#include <stdio.h>
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ErrorOr<int> serenity_main(Main::Arguments arguments)
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{
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if (arguments.strings.size() < 2) {
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warnln("usage: fgrep <str>");
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return 1;
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}
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for (;;) {
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char buffer[4096];
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auto str = StringView(fgets(buffer, sizeof(buffer), stdin));
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if (str.contains(arguments.strings[1]))
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TRY(Core::System::write(1, str.bytes()));
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if (feof(stdin))
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return 0;
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VERIFY(str.to_string().characters());
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}
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}
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