Get procedure content from it's name

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4 total messages Started by zetab Fri, 15 Aug 2008 07:14

#164

Author: zetab
Date: Fri, 15 Aug 2008 07:14

13 lines
1012 bytes

In PostScript, if I only know a procedure's name, can I find out the content of that procedure?

For example, if there is a procedure defined by

/abc {1 2 add} def

somewhere before, how can I get a output like

{1 2 add}

from the precedure's name "abc"?

I have tried "cvs" operator, but that only output the procedure name "abc".

Re: Get procedure content from it's name

#165

Author: Aandi_Inston
Date: Fri, 15 Aug 2008 07:55

6 lines
1019 bytes

You can iterate through the elements of the procedure, and convert
each one to a string. You will have to decide what to do if you find a
nested procedure.  Be warned that in rare cases a procedure could be
nested in itself.

Aandi Inston

Re: Get procedure content from it's name

#166

Author: zetab
Date: Fri, 15 Aug 2008 11:06

2 lines
741 bytes

But which operator can iterate through procedure?
The "forall" operator can only iterate array, dictionary and string.

Re: Get procedure content from it's name

#167

Author: Aandi_Inston
Date: Fri, 15 Aug 2008 11:33

3 lines
867 bytes

A procedure is an array.

Aandi Inston

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