 get the output sent to STDOUT instead of a file. 
<p class="level0">The PEM format this scripts uses for output makes the result readily available for use by just about all OpenSSL or GnuTLS powered applications, such as curl, wget and more. <a name="OPTIONS"></a><h2 class="nroffsh">OPTIONS</h2>
<p class="level0">The following options are supported: 
<p class="level0"><a name="-b"></a><span class="nroffip">-b</span> 
<p class="level1">backup an existing version of <span Class="emphasis">outputfilename</spa