Merge multiple PDFs to PostScript with GhostScript / C# - I got an answer

Instead of:
    params.Add("-sOutputFile=outfile.ps");
    params.Add("InFile1.PDF InFile2.PDF");

It would be:
    params.Add("-sOutputFile=outfile.ps");
    params.Add("InFile1.PDF");
    params.Add("InFile2.PDF");

I tested it and was able to concatenate 6 files. Wahoo. Nice efficiency boost for a number of reasons.

Note that another comment was put there by a gent named Ken and since the guy seemed to know what he was talking about, I'll include it here for others like me that have much to learn.

Note that -o implies -dBATCH and -dNOPAUSE so you can get the same effect in a shorter command line by setting "-o outfile.ps". 

In both cases you don't need -dNOPROMPT. Unless you are piping into GS I would not suggest using -dNOPROMPT. 

If you set -q you don't need -dQUIET (and when debugging a problem I would not set either!). 

PARANOIDSAFER is just the same as SAFER and we'd rather you used SAFER, PARANOIDSAFER is no longer documented and may be removed (although after 12 years...). 

-dLanguageLevel=3 has no effect on ps2write, because ps2write writes language level 2, hence the name... – 



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Greetings,
Can anyone suggest how to merge multiple PDF files into a single PostScript file when using GhostScript with C#
 
At the command line, it is:
gswin32c.exe -dNOPAUSE -dBATCH -sDEVICE=ps2write -sOutputFile=outfile.ps Infile1.pdf Infile2.pdf
  
    params.Add("-q");
    params.Add("-dQUIET");
    params.Add("-dNOPAUSE");
    params.Add("-dBATCH");
    params.Add("-P-");
    params.Add("-dPARANOIDSAFER");
    params.Add("-dNOPROMPT");
    params.Add("-sDEVICE=ps2write");
    params.Add("-dLanguageLevel=3);
    params.Add("-dASCII85DecodePages=false");
    params.Add("-sOutputFile=outfile.ps");
    params.Add("InFile1.PDF inFile2.PDF");
 
 
It is easy to convert multiple PDF files to a single PostScript file from the command line, but I need to do it in a program. I cannot get it to work.
I figure it would be something like:
    params.Add("InFile1.PDF inFile2.PDF"); 
as the last parameter, but no such luck

Any suggestions would be greatly appreciated. Thanks, Mike

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