<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><div>On Jul 12, 2011, at 10:09 PM, keens312 wrote:</div><blockquote type="cite"><div><blockquote type="cite"><font class="Apple-style-span" color="#000000">...</font></blockquote>Can I write the command to stderr and then read from backchannel in my filter?<br>If not, can you give more detail about how to send and receive it. thanks<br></div></blockquote><br></div><div>See:</div><div><br></div><div><span class="Apple-tab-span" style="white-space:pre"> </span><a href="http://www.cups.org/documentation.php/api-filter.html">http://www.cups.org/documentation.php/api-filter.html</a></div><div><br></div><div>You send commands and data for the printer to stdout. You send status messages to stderr.</div><div><br></div><div>
<span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><div>________________________________________________________________________<br>Michael Sweet, Senior Printing System Engineer, PWG Chair<br></div></span>
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