<font size="3">Funkcje
A|B|C|D|E|F|G|H|I|J|K|L|M|N|O|P|Q|R|S|T|U|V|W|X|Y|Z
</span>
<font size="4">R</span>
Nazwa</th>Opis</th></tr>
rand</td>retrieve the next pseudorandom number</td></tr>
read</td>fixed-length buffered input from a filehandle</td></tr>
readdir</td>get a directory from a directory handle</td></tr>
readline</td>fetch a record from a file</td></tr>
readlink</td>determine where a symbolic link is pointing</td></tr>
readpipe</td>execute a system command and collect standard output</td></tr>
recv</td>receive a message over a Socket</td></tr>
redo</td>start this loop iteration over again</td></tr>
ref</td>find out the type of thing being referenced</td></tr>
rename</td>change a filename</td></tr>
require</td>load in external functions from a library at runtime</td></tr>
reset</td>clear all variables of a given name</td></tr>
return</td>get out of a function early</td></tr>
reverse</td>flip a string or a list</td></tr>
rewinddir</td>reset directory handle</td></tr>
rindex</td>right-to-left substring search</td></tr>
rmdir</td>remove a directory</td></tr>
</tbody>
</table>