[cups.general] Printing ps files in fixed order via lpr frontend
Michael Sweet
msweet at apple.com
Mon May 30 19:00:46 PDT 2011
How is the queue configured? I.e. are you printing to a server or ???
On May 30, 2011, at 1:33 AM, Jan Hubený wrote:
> Hi,
>
> consider following situation:
>
> we run CUPS on server with following configuration: redhat linux 5.3.
> cups 1.3.7, gs 8.70. We have one folder with technical drawings in
> postscript format on this server.
> Let's say that the forder is
>
> /data
>
> and contains several postscript files
> Name Size
> 1.ps 20KB
> 2.ps 1.5MB
> 3.ps 20KB
> 4.ps 5MB
> 5.ps 300KB
>
>
> We want to print this postscript files in a specified order (1.ps 2.ps
> 3.ps 4.ps 5.ps).
> The application which prints this files prints them by invoking
> following commands:
>
> lpr -POCEtds600 /data/1.ps
> lpr -POCEtds600 /data/2.ps
> lpr -POCEtds600 /data/3.ps
> lpr -POCEtds600 /data/4.ps
> lpr -POCEtds600 /data/5.ps
>
> The application waits until each command finishes before invoking next
> lpr command. Therefore, we can see the following queue
>
> root at users #lpq -POCEtds600
>
> OCEtds600 is ready
> Rank Owner Job File(s) Total Size
> 1st user 1326407 1.ps 20 KB
> 2st user 1326408 2.ps 1.5 MB
> 3rd user 1326409 3.ps 20 KB
> 4th user 1326410 4.ps 5 MB
> 5th user 1326411 5.ps 300 KB
>
> The CUPS then process the OCEtds600 queue and prints the drawings.
> However, the drawings are printed in different order for example:
>
> the output paper sheets on the physical printer are in this order
>
> 1.ps
> 3.ps
> 2.ps
> 5.ps
> 4.ps
>
> It seems that the larger files are processed longer than smaller files
> and the smaller files are printed earlier and skips over the longer files.
>
> My question is following: Is there a way to ensure that the files will
> be printed in the specified fixed order (i.e. 1.ps 2.ps 3.ps 4.ps 5.ps
> in our example) on a particular printer?
>
> With regards,
>
> Jan Hubeny
>
>
>
>
>
>
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>
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________________________________________________________________________
Michael Sweet, Senior Printing System Engineer, PWG Chair
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