28 lines
571 B
C++
28 lines
571 B
C++
#include <luna/String.h>
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#include <os/ArgumentParser.h>
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#include <os/File.h>
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using os::File;
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Result<int> luna_main(int argc, char** argv)
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{
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StringView pathname;
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os::ArgumentParser parser;
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parser.add_positional_argument(pathname, "path"_sv, true);
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parser.parse(argc, argv);
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auto file = TRY(File::open_or_create(pathname, File::WriteOnly));
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auto input = File::standard_input();
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while (1)
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{
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String line = TRY(input->read_line());
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if (line.is_empty()) break;
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TRY(file->write(line.view()));
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}
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return 0;
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}
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