method

each

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

each() public

Calls the block once for each entry in this directory, passing the filename of each entry as a parameter to the block.

d = Dir.new("testdir")
d.each  {|x| puts "Got #{x}" }

produces:

Got .
Got ..
Got config.h
Got main.rb

Show source

/*
 *  call-seq:
 *     dir.each { |filename| block }  => dir
 *
 *  Calls the block once for each entry in this directory, passing the
 *  filename of each entry as a parameter to the block.
 *
 *     d = Dir.new("testdir")
 *     d.each  {|x| puts "Got #{x}" }
 *
 *  <em>produces:</em>
 *
 *     Got .
 *     Got ..
 *     Got config.h
 *     Got main.rb
 */
static VALUE
dir_each(dir)
    VALUE dir;
{
    struct dir_data *dirp;
    struct dirent *dp;

    RETURN_ENUMERATOR(dir, 0, 0);
    GetDIR(dir, dirp);
    rewinddir(dirp->dir);
    for (dp = readdir(dirp->dir); dp != NULL; dp = readdir(dirp->dir)) {
        rb_yield(rb_tainted_str_new(dp->d_name, NAMLEN(dp)));
        if (dirp->dir == NULL) dir_closed();
    }
    return dir;
}

each

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