Article View: comp.lang.postscript
Article #5028Re: How can I tell if a file is "postscript" (PS-410 auto-switching)
From: Richard Foulk
Date: Thu, 14 Mar 1991 15:53
Date: Thu, 14 Mar 1991 15:53
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> >The QMS PS-410 automatically senses if the print job is PostScript, HP PCL, >or HP-GL. One of the ways (but not the only way) that it senses a PostScript >print job is if the print job begins with a %!. As this auto-sensing >ability will become more common in the future we should all now begin our >PostScript files with %!, even if it isn't an EPS file. > Is the algorithm that the PS-410 uses to select between the various formats documented? (I think it also switches to Diablo emulation when presented with ASCII text.) Sounds like a bit of a job to do it reliably. -- Richard Foulk richard@pegasus.com
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arc1-ca.pugleaf.net!utzoo!news-server.csri.toronto.edu!cs.utexas.edu!sdd.hp.com!zaphod.mps.ohio-state.edu!pacific.mps.ohio-state.edu!linac!att!pacbell.com!ames!uhccux!bigtuna!pegasus!richardReferences:
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Path: arc1-ca.pugleaf.net!utzoo!news-server.csri.toronto.edu!cs.utexas.edu!sdd.hp.com!zaphod.mps.ohio-state.edu!pacific.mps.ohio-state.edu!linac!att!pacbell.com!ames!uhccux!bigtuna!pegasus!richard From: richard@pegasus.com (Richard Foulk) Newsgroups: comp.lang.postscript Subject: Re: How can I tell if a file is "postscript" (PS-410 auto-switching) Message-ID: <1991Mar14.155308.23016@pegasus.com> Date: 14 Mar 91 15:53:08 GMT References: <1894@chinacat.Unicom.COM> <448@heaven.woodside.ca.us> <23507@well.sf.ca.us> Organization: Pegasus, Honolulu Lines: 17