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Export / pipe problems

  • To: mathgroup at smc.vnet.net
  • Subject: [mg98756] Export / pipe problems
  • From: Frederick Finkelstein <fred.finkelstein at live.com>
  • Date: Sat, 18 Apr 2009 03:37:15 -0400 (EDT)

Dear All,



using Mathematica Vers. 6 on Linux, I expected that



fig = Plot[x, {x, 1, 10}]

Export["!lpr", fig, "EPS"]



should work like advertised in the Documentation Center, instead, I get

an error message



lpr: error - stdin is empty, so no job has been sent.



The same happens with



Export["!lpr", "Hello World", "Text"]





Does anybody have a idea why stdin could be empty?





Of course, Export["fig.eps", fig, "EPS"] works fine and lpr also.





The documentation says,



Export["!prog",expr, ...] exports data to a pipe.








Do I misunderstand something?

Thanks for any idea.





Kind regards,

Fred.





PS: The purpose is to replace Display["!PSPrint", fig] as Display does 
not exist any more in v6.





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