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Full Discussion: Need to generate a file with random data. /dev/[u]random doesn't exist.
Top Forums Shell Programming and Scripting Need to generate a file with random data. /dev/[u]random doesn't exist. Post 302844167 by Corona688 on Friday 16th of August 2013 06:08:32 PM
Old 08-16-2013
What system doesn't have /dev/urandom? What languages do you have available?

How about this? When dd quits, it should kill the while-loop too. No named pipe needed.

Code:
while true
do
        cat inputfile
done | dd bs=1024 count=1024 > outputfile

 

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LEARN ABOUT DEBIAN

podofoxmp

PODOFOXMP(1)							     podofoxmp							      PODOFOXMP(1)

NAME

       podofoxmp - Modify or extract XMP information from a PDF file

SYNOPSIS

       podofoxmp [inputfile] [xmpfile outputfile]

DESCRIPTION

       podofoxmp  is  one  of the command line tools from the PoDoFo library that provide several useful operations to work with PDF files. It can
       extract or modify XMP information in a PDF file.

OPTIONS

       [inputfile]

	      Input PDF file. This is the only option needed to extract the XMP information from a PDF file.

       [xmpfile]

	      Optional file that provides PDF XMP structure. It must be used in conjuction with an [outputfile].

       [outputfile]

	      Output PDF file. It is only used in conjuction with an [xmpfile].

SEE ALSO

       podofobox(1), podofocountpages(1), podofocrop(1), podofoencrypt(1), podofoimg2pdf(1), podofoimgextract(1), podofoimpose(1), podofoincremen-
       talupdates(1), podofomerge(1), podofopages(1), podofopdfinfo(1), podofotxt2pdf(1), podofotxtextract(1), podofouncompress(1),

AUTHORS

       PoDoFo is written by Dominik Seichter <domseichter@web.de> and others.

       This manual page was written by Oleksandr Moskalenko <malex@debian.org> for the Debian Project (but may be used by others).

PoDoFo								    2010-12-09							      PODOFOXMP(1)
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