How to change last letter of filename to lowercase if it is a letter?
<p>I have been given data which cannot be interpreted by my software unless it has a lowercase letter at the end. The data was delivered with an uppercase letter at the end.</p>

<p>Somehow I need to first recursively loop through all folders and find whether the filename ends with a letter and then change it to lowercase.</p>

<p>I think python could do this, but I don´t know how,. Any help would be great!</p>

<p>yours,
Rob</p>
