kopia lustrzana https://gitlab.com/sane-project/website
76 wiersze
3.8 KiB
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76 wiersze
3.8 KiB
HTML
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<!-- received="Sat Apr 18 12:49:26 1998 PDT" -->
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<!-- sent="Sat, 18 Apr 1998 13:48:51 -0600" -->
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<!-- name="Sean Reifschneider" -->
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<!-- email="jafo@tummy.com" -->
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<!-- subject="Re: /proc/scsi/scsi" -->
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<!-- inreplyto="199804100927.LAA00659@Babylon5.wolfsburg.de" -->
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<title>sane-devel: Re: /proc/scsi/scsi</title>
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<h1>Re: /proc/scsi/scsi</h1>
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<b>Sean Reifschneider</b> (<a href="mailto:jafo@tummy.com"><i>jafo@tummy.com</i></a>)<br>
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<i>Sat, 18 Apr 1998 13:48:51 -0600</i>
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<p>
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<ul>
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<li> <b>Messages sorted by:</b> <a href="date.html#189">[ date ]</a><a href="index.html#189">[ thread ]</a><a href="subject.html#189">[ subject ]</a><a href="author.html#189">[ author ]</a>
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<li> <b>Next message:</b> <a href="0190.html">Dave Restall - System Administrator: "Scanace II Technical Details"</a>
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<li> <b>Previous message:</b> <a href="0188.html">Kevin Dalley: "Custom gamma table causes undesired distortions in Astra 1200S"</a>
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<li> <b>In reply to:</b> <a href="0098.html">Oliver.Rauch@Wolfsburg.DE: "Re: /proc/scsi/scsi"</a>
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</ul>
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<!-- body="start" -->
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I have given this quite a bit of thought over the years. When we first<br>
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started selling XVScan for Linux, we were getting quite a high percentage<br>
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of support calls that were basically just scanner setup problems...<br>
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Once I got a fairly robust install script created, they have essentially<br>
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dropped off to zero.<br>
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<p>
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The problem is more general than just scanners though. It affects other<br>
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devices as well (such as CD-ROM writers, etc...). In XVScan, the install<br>
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"helper" program is designed such that it can be run at every boot from<br>
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the rc scripts in case the scanner has moved.<br>
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<p>
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But what you really want is a program that will walk through the<br>
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connected SCSI devices and takes action based on a configuration<br>
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file, something like the following:<br>
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<p>
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VENDOR="HP" MODEL="*" TYPE=3 CREATE=/dev/scanjet? PERMS=660:root:floppy<br>
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VENDOR="*" MODEL="*" TYPE=6 CREATE=/dev/scanner? PERMS=660:root:floppy<br>
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VENDOR="YAMAHA" MODEL="*" TYPE=<cd-writer-type> CREATE=/dev/cdwriter?<br>
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PERMS=660:root:floppy<br>
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<p>
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Using regular expressions is of course useful. The CREATE directive would<br>
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specify what device file names to create ("filename?" tells the program to<br>
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create "filename0" for the first found instance, "filename1" for the second,<br>
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etc...). This would also allow you to specify the permissions and owners.<br>
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<p>
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The problem with just linking "/dev/scanner" to "/dev/sgX" is that the sg<br>
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device files RARELY have the proper permissions for scanning as a user.<br>
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<p>
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Scanner detection can be a problem though. Linux isn't so hard, but<br>
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try looking for a scanner on the second bus of an HP workstation...<br>
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<p>
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Sean<br>
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<pre>
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--
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"If all you have is a hammer, every problem tends to look like a nail."
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Sean Reifschneider, Inimitably Superfluous <<a href="mailto:jafo@tummy.com">jafo@tummy.com</a>>
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URL: <<a href="http://www.tummy.com/xvscan">http://www.tummy.com/xvscan</a>> HP-UX/Linux/FreeBSD/BSDOS scanning software.
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<p>
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<pre>
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--
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Source code, list archive, and docs: <a href="http://www.mostang.com/sane/">http://www.mostang.com/sane/</a>
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To unsubscribe: echo unsubscribe sane-devel | mail <a href="mailto:majordomo@mostang.com">majordomo@mostang.com</a>
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</pre>
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<p>
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<ul>
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<!-- next="start" -->
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<li> <b>Next message:</b> <a href="0190.html">Dave Restall - System Administrator: "Scanace II Technical Details"</a>
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<li> <b>Previous message:</b> <a href="0188.html">Kevin Dalley: "Custom gamma table causes undesired distortions in Astra 1200S"</a>
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<li> <b>In reply to:</b> <a href="0098.html">Oliver.Rauch@Wolfsburg.DE: "Re: /proc/scsi/scsi"</a>
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<!-- nextthread="start" -->
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<!-- reply="end" -->
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</ul>
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