xtd 0.2.0
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file_info_open_read.cpp

Show how to use xtd::io::file_info::open_read method.

#include <xtd/io/file_info>
#include <xtd/io/stream_reader>
#include <xtd/io/stream_writer>
#include <xtd/block_scope>
#include <xtd/console>
#include <xtd/startup>
using namespace xtd;
using namespace xtd::io;
class program {
public:
static auto main() {
auto path = "MyTest.txt";
auto fi = file_info {path};
//Create the file.
block_scope_(auto fs = fi.create()) {
auto sw = stream_writer {fs};
sw.write_line("This is some text in the file.");
}
//Open the stream and read it back.
block_scope_(auto fs = fi.open_read()) {
auto sr = stream_reader {fs};
while (!sr.end_of_stream())
console::write_line(sr.read_line());
}
}
};
startup_(program::main);
// This code produces the following output :
// results may vary based on the computer/file structure/etc.:
//
// This is some text in the file.
Provides static methods for the creation, copying, deletion, moving, and opening of files,...
Definition file_info.h:41
Performs operations on std::basic_string instances that contain file or directory path information....
Definition path.h:36
Implements a xtd::io::text_reader that reads characters from a byte stream.
Definition stream_reader.h:28
Implements a xtd::io::text_writer for writing characters to a stream.
Definition stream_writer.h:28
void write_line()
Writes new line to the text stream.
#define startup_(main_method)
Defines the entry point to be called when the application loads. Generally this is set either to the ...
Definition startup.h:175
#define block_scope_(...)
The specified expression is cleared automatically when the scope is ended.
Definition block_scope.h:25
The xtd::io namespace contains types that allow reading and writing to files and data streams,...
Definition binary_reader.h:16
The xtd namespace contains all fundamental classes to access Hardware, Os, System,...
Definition xtd_about_box.h:10