method

each

v2_4_6 - 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.

If no block is given, an enumerator is returned instead.

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

produces:

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

Show source

static VALUE
dir_each(VALUE dir)
{
    struct dir_data *dirp;
    struct dirent *dp;
    IF_NORMALIZE_UTF8PATH(int norm_p);

    RETURN_ENUMERATOR(dir, 0, 0);
    GetDIR(dir, dirp);
    rewinddir(dirp->dir);
    IF_NORMALIZE_UTF8PATH(norm_p = need_normalization(dirp->dir, RSTRING_PTR(dirp->path)));
    while ((dp = READDIR(dirp->dir, dirp->enc)) != NULL) {
        const char *name = dp->d_name;
        size_t namlen = NAMLEN(dp);
        VALUE path;
#if NORMALIZE_UTF8PATH
        if (norm_p && has_nonascii(name, namlen) &&
            !NIL_P(path = rb_str_normalize_ospath(name, namlen))) {
            path = rb_external_str_with_enc(path, dirp->enc);
        }
        else
#endif
        path = rb_external_str_new_with_enc(name, namlen, dirp->enc);
        rb_yield(path);
        if (dirp->dir == NULL) dir_closed();
    }
    return dir;
}

each

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