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From: Helge Blischke <h.blischke@acm.org>
Newsgroups: comp.lang.postscript
Subject: Re: resourceforall fails
Followup-To: comp.lang.postscript
Date: Sun, 24 Nov 2013 20:40:36 +0100
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jdaw1 wrote:

> I want to create an array with a list of available fonts. So, some
> simplified code:
> 
> 
> %!
> 
> (product = ) = product =
> (+ FontNames) ==
> /FontNames [
> (*) {dup length string copy} 65535 string /Font resourceforall
> ] def
> (- FontNames) ==
> (+pstack) = pstack (-pstack) =
> 
> 
> This produces a log file (from which a block of font names have bee
> deleted.
> 
> 
> 
> product =
> Acrobat Distiller 11.0
> 
> (+ FontNames)
> %%[ Error: undefinedresource; OffendingCommand: findresource; ErrorInfo:
> CharOffsets @
> 
> 
> Stack:
> /CIDFont
> /NanumGothicExtraBold
> /CIDFont
> /NanumGothicExtraBold
> false
> -dict-
> (%hostfont%Resource/CIDFont/)
> /cid_CIDFONT_INFO
> (ZyphyteOffset)
> (ZyphyteOffsetOblique)
> ••• Many font names deleted •••
> (Roadgeek2005Series1B)
> (Roadgeek2005Mittelschrift)
> (Roadgeek2005Engschrift)
> (Roadgeek2000SeriesF)
> 
> 
> 
> %%[ Flushing: rest of job (to end-of-file) will be ignored ]%%
> %%[ Warning: PostScript error. No PDF file produced. ] %%
> 
> 
> 
> This is unhelpful. I could wrap the resourceforall in a stopped, but that
> will stop the loop, rather than causing it to resume at the next resource.
> So many font names will be missing.
> 
> Please, learned folks of this fine forum, what can be done to prevent
> errors, and not just on my current machine, but on any machine on which
> the PostScript might be executed?
> 
> If it helps, my suspicion is that a font name is being read as if in a
> different format, so is being read as lots of weird control characters.

This program run from Ghostscript 9.97 prints:

product = 
GPL Ghostscript
(+ FontNames)
(- FontNames)
+pstack
-pstack

and the /FontNames array contains a great many of font names.

I'suggest you look after the font NanumExtraBold which seems to throw the 
error (or you could mail me the font to do some analysis).

Helge