Merge branch 'system-copy' into 'master'

System copy

See merge request !38

radixcore/system.cc

@@ -6,6 +6,7 @@
  */
 
 #include <algorithm>
+#include <array>
 #include <cstdarg>
 #include <cstdio>
 #include <cstring>
@@ -393,6 +394,29 @@ std::string search_env_path(const std::string &filename)
   return std::string();
 }
 
+std::string system_copy(const std::string &source,
+                        const std::string &destination)
+{
+  std::string copy_command;
+#ifdef _WIN32
+  copy_command = "copy";
+#else
+  copy_command = "cp";
+#endif
+  std::string command =
+      copy_command + std::string(" ") + source + std::string(" ") + destination;
+  FILE *handle = pipe_open(command);
+  std::array<char, 128> buf;
+  std::string output;
+  while (fgets(buf.data(), int(buf.size()), handle) != NULL)
+  {
+    output += buf.data();
+  }
+  radix::pipe_close(handle);
+
+  return output;
+}
+
 // remove_file
 
 }  // namespace radix

radixcore/system.hh

@@ -16,6 +16,14 @@
 
 namespace radix
 {
+/**
+ * @brief system_copy Uses system copy command to copy source to destination
+ * @param source
+ * @param destination
+ * @return std::string output of command
+ */
+RADIX_PUBLIC std::string system_copy(const std::string &source,
+                                     const std::string &destination);
 /**
  * @brief Provides platform independent popen call
  * function creates a pipe and asynchronously executes a spawned

radixcore/tests/tstSystem.cc

@@ -224,3 +224,13 @@ TEST(System, SearchEnvPath)
   std::string path = search_env_path(app);
   EXPECT_EQ(blessed, radix::string_tolower(path));
 }
+
+TEST(System, copy)
+{
+  std::string this_file(__FILE__);
+  // copy the unit test source file to the current working directory
+  radix::system_copy(this_file, radix::current_dir());
+  EXPECT_TRUE(radix::file_exists(radix::basename(this_file)));
+  radix::remove_file(radix::basename(this_file));
+  EXPECT_FALSE(radix::file_exists(basename(this_file)));
+}
\ No newline at end of file