add filesystem examples

Author: eliot-exdev

Makefile.mos

@@ -35,6 +35,7 @@ install: boost
 	cp README.md ${PREFIX}/
 	cp README_MORPHOS.md ${PREFIX}/
 	cp LICENSE_1_0.txt ${PREFIX}/
+	cp -r examples_mos ${PREFIX}/
 
 
 package: install

examples_mos/Makefile.mos

@@ -0,0 +1,24 @@
+CC=/gg/bin/ppc-morphos-gcc-11
+CXX=/gg/bin/ppc-morphos-g++-11
+
+C_FLAGS=-Ofast -noixemul -mcpu=G4 -maltivec -mabi=altivec -DNDEBUG -D__MORPHOS__
+CXX_FLAGS=-std=c++17
+
+LD_FLAGS=-L/tmp/boost-1.87.0-morphos-ppc/lib -lboost_filesystem
+INCLUDES=-I/tmp/boost-1.87.0-morphos-ppc/include
+
+all: example-filesystem-cpp17 example-filesystem-boost
+
+#--- build example-filesystem-boost: ---#
+example-filesystem-boost: example-filesystem-boost.cpp
+	$(CXX) -o ${@} $(^) ${C_FLAGS} ${CXX_FLAGS} ${INCLUDES} ${LD_FLAGS}
+
+#--- build example-filesystem-cpp17: ---#
+example-filesystem-cpp17: example-filesystem-cpp17.cpp
+	$(CXX) -o ${@} $(^) ${C_FLAGS} ${CXX_FLAGS}
+
+#--- clean ---#
+.PHONY: clean
+clean:
+	rm -f example-filesystem-boost
+	rm -f example-filesystem-cpp17

examples_mos/example-filesystem-boost.cpp

@@ -0,0 +1,17 @@
+#include <iostream>
+#include <boost/filesystem.hpp>
+
+int main(int argc, char *argv[]) {
+    if (argc < 2) {
+        std::cout << "Usage: " << argv[0] << " <path> " << std::endl;
+        return 1;
+    }
+    const boost::filesystem::path p{argv[1]};
+    if (boost::filesystem::exists(p)) {
+        std::cout << p.string() << " size: " << boost::filesystem::file_size(p) << " kb" << std::endl;
+    } else {
+        std::cout << p.string() << " does not exists!" << boost::filesystem::file_size(p) << std::endl;
+    }
+
+    return 0;
+}

examples_mos/example-filesystem-cpp17.cpp

@@ -0,0 +1,17 @@
+#include <iostream>
+#include <filesystem>
+
+int main(int argc, char *argv[]) {
+    if (argc < 2) {
+        std::cout << "Usage: " << argv[0] << " <path> " << std::endl;
+        return 1;
+    }
+    const std::filesystem::path p{argv[1]};
+    if (std::filesystem::exists(p)) {
+        std::cout << p.string() << " size: " << std::filesystem::file_size(p) << " kb" << std::endl;
+    } else {
+        std::cout << p.string() << " does not exists!" << std::filesystem::file_size(p) << std::endl;
+    }
+
+    return 0;
+}