method

printf

v1_8_7_330 - Show latest stable - 0 notes - Class: Kernel

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What's this?

printf(...) public

Equivalent to:

io.write(sprintf(string, obj, ...)

$stdout.write(sprintf(string, obj, ...)

Show source

/*
 *  call-seq:
 *     printf(io, string [, obj ... ] )    => nil
 *     printf(string [, obj ... ] )        => nil
 *  
 *  Equivalent to:
 *     io.write(sprintf(string, obj, ...)
 *  or
 *     $stdout.write(sprintf(string, obj, ...)
 */

static VALUE
rb_f_printf(argc, argv)
    int argc;
    VALUE argv[];
{
    VALUE out;

    if (argc == 0) return Qnil;
    if (TYPE(argv[0]) == T_STRING) {
        out = rb_stdout;
    }
    else {
        out = argv[0];
        argv++;
        argc--;
    }
    rb_io_write(out, rb_f_sprintf(argc, argv));

    return Qnil;
}

printf

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