D file I/O functions

Question

I'm just learning D. Looks like a great language, but I can't find any info about the file I/O functions. I may be being dim (I'm good at that!), so could somebody point me in the right direction, please? Thanks

Answer 1

Basically, you use the File structure from std.stdio.

import std.stdio;

void writeTest() {
    auto f = File("1.txt", "w");        // create a file for writing,
    scope(exit) f.close();              //   and close the file when we're done.
                                        //   (optional)
    f.writeln("foo");                   // write 2 lines of text to it.
    f.writeln("bar");
}

void readTest() {
    auto f = File("1.txt");             // open file for reading,
    scope(exit) f.close();              //   and close the file when we're done.
                                        //   (optional)
    foreach (str; f.byLine)             // read every line in the file,
      writeln(":: ", str);              //   and print it out.
}

void main() {
   writeTest();
   readTest();
}