26 lines
557 B
C++
26 lines
557 B
C++
// Copyright (C) 2016 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
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#include <QtCore/QFile>
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int main(int argc, char **)
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{
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if (argc < 2) {
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printf("usage: echo\n");
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printf("echos all its input to its output.\n");
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return 1;
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}
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QFile file;
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if (!file.open(stdin, QFile::ReadWrite))
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return 1;
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QByteArray data = file.readAll();
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file.close();
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if (!file.open(stdout, QFile::WriteOnly))
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return 1;
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file.write(data);
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file.close();
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return 0;
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}
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