bronku/file_sorting
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ensure path exists

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bronku 2025-11-14 00:20:58 +01:00
parent eeb7f77911
commit cf024f1c4c
3 changed files with 9 additions and 8 deletions
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3
main.cpp
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@ -9,6 +9,9 @@
void generate_file(int N, const std::string& filename) void generate_file(int N, const std::string& filename)
{ {
std::filesystem::path dirPath = std::filesystem::path(filename).parent_path();
std::filesystem::create_directories(dirPath);
std::ofstream out_stream(filename); std::ofstream out_stream(filename);
Writer output(out_stream); Writer output(out_stream);

10
makefile
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@ -6,22 +6,16 @@ build/main: main.cpp sort.cpp config.hpp buffer.hpp reader.hpp writer.hpp build
build: build:
mkdir -p build mkdir -p build
build/run:
mkdir -p build/run
build/run/tmp:
mkdir -p build/run/tmp
clean: clean:
rm -rf build rm -rf build
generate: build/run/1.in generate: build/run/1.in
# actually should depend on build/main and build/run, but that will trigger it every recompile, and i don't need that # actually should depend on build/main and build/run, but that will trigger it every recompile, and i don't need that
build/run/1.in: build/run/tmp build/run/1.in:
build/main -g -o build/run/1.in build/main -g -o build/run/1.in
run: build/main build/run/1.in build/run/tmp run: build/main build/run/1.in
build/main -i build/run/1.in -d build/run/tmp build/main -i build/run/1.in -d build/run/tmp
debug: build/main tests/1.in debug: build/main tests/1.in

4
sort.cpp
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@ -20,6 +20,9 @@ size_t read_chunk(Reader& reader, SubBuffer& buff)
void write_to_file(const std::string& filename, SubBuffer& buff, size_t n) void write_to_file(const std::string& filename, SubBuffer& buff, size_t n)
{ {
std::filesystem::path dirPath = std::filesystem::path(filename).parent_path();
std::filesystem::create_directories(dirPath);
std::ofstream out_stream(filename); std::ofstream out_stream(filename);
Writer output_writer(out_stream); Writer output_writer(out_stream);
for (size_t j = 0; j < n; j++) { for (size_t j = 0; j < n; j++) {
@ -46,6 +49,7 @@ void create_initial_runs(const std::string& input_filename, const std::string& d
int sort_file(const Configuration& opts) int sort_file(const Configuration& opts)
{ {
Buffer main_buffer(opts.n * opts.b); Buffer main_buffer(opts.n * opts.b);
create_initial_runs(opts.input_file, opts.directory, main_buffer); create_initial_runs(opts.input_file, opts.directory, main_buffer);
return 0; return 0;