SquidGuard is a URL redirector used to use blacklists with the proxysoftware Squid. There are two big advantages to squidguard: it is fast and it is free.
Revision of Examples from Mon, 05/25/2009 - 16:25
Revisions allow you to track differences between multiple versions of your content, and revert back to older versions.
"Normalize" a PDF
gs -dSAFER -dBATCH -dNOPAUSE -dNOCACHE -sDEVICE=pdfwrite -dPDFSETTINGS=/prepress -sOutputFile=output.pdf input.pdf
PDF to EPS
http://pages.cs.wisc.edu/~ghost/doc/svn/Use.htm#Output_device
gs -dSAFER -dBATCH -dNOPAUSE -dNOCACHE -sDEVICE=epswrite -sOutputFile=output.eps input.pdf
-dNOCACHE
Prevents it from rasterizing fonts!
PDF Presets
-dPDFSETTINGS=_____
Options are: /screen, /printer, /prepress, /default, /ebook.
Color Conversion
http://vince-debian.blogspot.com/2008/05/pdf-conversion-to-grayscale.html
Color PDF to greyscale:
gs -dSAFER -dBATCH -dNOPAUSE -dNOCACHE -sDEVICE=pdfwrite \
-sColorConversionStrategy=Gray -dProcessColorModel=/DeviceGray \
-sOutputFile=output.pdf input.pdf
Color PDF to CMYK:
gs -dSAFER -dBATCH -dNOPAUSE -dNOCACHE -sDEVICE=pdfwrite \
-sColorConversionStrategy=CMYK -dProcessColorModel=/DeviceCMYK \
-sOutputFile=output.pdf input.pdf
PDF to JPEG
gs -q -dBATCH -dNOPAUSE -dFirstPage=1 -dLastPage=1 -sDEVICE=jpeg \
-r<OUTPUT RESOLUTION> -sOutputFile=<OUTPUT>.jpg <INPUT>.pdf
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