PostScript libraries for Ruby

• MiniMagick runs the ImageMagick command line from Ruby. ImageMagick hands PostScript to Ghostscript, so you can render pages to PNG or JPEG, make thumbnails and write images as PostScript. MIT.

Ruby has no PostScript interpreter. For vector conversions (PS to PDF), call Ghostscript directly: system("gs", "-dNOPAUSE", "-dBATCH", "-dSAFER", "-sDEVICE=pdfwrite", "-sOutputFile=out.pdf", "in.ps").

• MiniMagick MiniMagick wraps the ImageMagick command line for Ruby. How to render PostScript pages to PNG, pick a resolution, convert one page.