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--- c_-_c_files:file_copy [2017/10/12 13:34] – created peter
+++ c_-_c_files:file_copy [2020/07/15 09:30] (current) – external edit 127.0.0.1
@@ Line 2: / Line 2: @@
 <code cpp>
+#include <iostream>
+#include <fstream>
+#include <cstdlib>
+using namespace std;
+void print_error(const char*, const char* = " ");
+int main(int argc, char* argv[])
+{
+  if (3 != argc)
+    print_error("usage: copy source dest");
+  ifstream in( argv[1], ios::binary );
+  if (!in)
+    print_error( "can't open", argv[1] );
+  ofstream out( argv[2], ios::binary );
+  if (!out)
+    print_error( "can't open", argv[2] );
+  char ch;
+  while ( in.get(ch) )
+    out.put( ch );
+  if ( !in.eof() )
+    print_error("something strange happened");
+  return 0;
+}
+void print_error(const char* p, const char* p2)
+{
+  cerr << p << ' ' << p2 << '\n';
+  exit(1);
+}
+</code>
+and
+<code c>
 #include<iostream.h>
 #include<conio.h>
@@ Line 37: / Line 79: @@
 }
 </code>