Setting Password For PDF File--Linux

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12-18-2012

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Setting Password For PDF File--Linux

Hi,

I am in need of help. My requirements are :
1) To convert the existing files (irrespective of their format) in a directory to PDF format
2) To make the converted files password protected.

I did the attempt to do the same. Though the existing files (irrespective of their format) are getting converted to pdf, but when I take the the to local desktop, it is not opening as its pops "format not supported".
I did as " mv $i* $i.pdf " (variable i which holds the existing file name alone).
I have no idea how to make it password protected.

Please help me asap.

MKR

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LEARN ABOUT REDHAT

pdftopbm

pdftopbm(1)						      General Commands Manual						       pdftopbm(1)

NAME

       pdftopbm - Portable Document Format (PDF) to Portable Bitmap (PBM) converter (version 2.01)

SYNOPSIS

       pdftopbm [options] PDF-file PBM-root

DESCRIPTION

       Pdftopbm converts Portable Document Format (PDF) files to black-and-white image files in Portable Bitmap (PBM) format.

       Pdftopbm reads the PDF file, PDF-file, and writes one PBM file for each page, PBM-root-nnnnnn.pbm, where nnnnnn is the page number.

CONFIGURATION FILE

       Pdftopbm  reads a configuration file at startup.  It first tries to find the user's private config file, ~/.xpdfrc.  If that doesn't exist,
       it looks for a system-wide config file, typically /etc/xpdfrc (but this location can be changed when pdftopbm is built).  See the xpdfrc(5)
       man page for details.

OPTIONS

       Many of the following options can be set with configuration file commands.  These are listed in square brackets with the description of the
       corresponding command line option.

       -f number
	      Specifies the first page to convert.

       -l number
	      Specifies the last page to convert.

       -r number
	      Specifies the resolution, in DPI.  The default is 150 DPI.

       -opw password
	      Specify the owner password for the PDF file.  Providing this will bypass all security restrictions.

       -upw password
	      Specify the user password for the PDF file.

       -q     Don't print any messages or errors.  [config file: errQuiet]

       -v     Print copyright and version information.

       -h     Print usage information.	(-help and --help are equivalent.)

BUGS

       Pdftopbm uses X to do the rendering, so it is limited by the capabilities and performance of the X server.  In particular,  high-resolution
       output requires lots of memory.	Also, non-scalable fonts will not look great.

EXIT CODES

       The Xpdf tools use the following exit codes:

       0      No error.

       1      Error opening a PDF file.

       2      Error opening an output file.

       3      Error related to PDF permissions.

       99     Other error.

AUTHOR

       The pdftopbm software and documentation are copyright 1996-2002 Glyph & Cog, LLC.

SEE ALSO

       xpdf(1), pdftops(1), pdftotext(1), pdfinfo(1), pdffonts(1), pdfimages(1), xpdfrc(5)
       http://www.foolabs.com/xpdf/

								 05 December 2002						       pdftopbm(1)

Red Hat