07-10-2011
zsh compare size pdf and delete bigger?
I have used an script to reduce the size of multiples pdf. This script creates files with the same name but with different extension. The extension of the compressed files is xpdf. Sometimes the "compressed" xpdf are bigger than the "uncompressed"pdf. I want to create a zsh script to compare each compressed with its respectively uncompressed and delete the one that has a bigger size. Can you give some advice?
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LEARN ABOUT DEBIAN
ps2pdf
PS2PDF(1) Ghostscript PS2PDF(1)
NAME
ps2pdf - Convert PostScript to PDF using ghostscript
ps2pdf12 - Convert PostScript to PDF 1.2 (Acrobat 3-and-later compatible) using ghostscript
ps2pdf13 - Convert PostScript to PDF 1.3 (Acrobat 4-and-later compatible) using ghostscript
SYNOPSIS
ps2pdf [options...] {input.[e]ps|-} [output.pdf|-]
ps2pdf12 [options...] {input.[e]ps|-} [output.pdf|-]
ps2pdf13 [options...] {input.[e]ps|-} [output.pdf|-]
DESCRIPTION
The ps2pdf scripts are work-alikes for nearly all the functionality (but not the user interface) of Adobe's Acrobat(TM) Distiller(TM) prod-
uct: they convert PostScript files to Portable Document Format (PDF) files.
If the output filename is not specified, the output is placed is a file of the same name with a '.pdf' extension. Either the input filename
or the output filename can be '-' to request reading from stdin or writing to stdout, respectively, when used as a filter.
The three scripts differ as follows:
- ps2pdf12 will always produce PDF 1.2 output (Acrobat 3-and-later compatible).
- ps2pdf13 will always produce PDF 1.3 output (Acrobat 4-and-later compatible).
- ps2pdf per se currently produces PDF 1.4 output. However, this may change in the future. If you care about the compatibility level
of the output, use ps2pdf12 or ps2pdf13, or use the -dCompatibility=1.x switch in the command line.
There are some limitations in ps2pdf's conversion. See the HTML documentation for more information. A large number of Adobe Distiller(TM)
parameters which can be used to control the conversion are also documented there, including instructions for generating PDF/X and PDF/A
documents.
OPTIONS
The ps2pdf scripts use the same options as gs(1).
EXAMPLES
Converting a figure.ps to figure.pdf:
ps2pdf figure.ps
A conversion with more specifics:
ps2pdf -dPDFSETTINGS=/prepress figure.ps proof.pdf
Converting as part of a pipe:
make_report.pl -t ps | ps2pdf -dCompatibility=1.3 - - | lpr
SEE ALSO
gs(1), ps2pdfwr(1),
Ps2pdf.htm in the Ghostscript documentation
BUGS
See http://bugs.ghostscript.com/ and the Usenet news group comp.lang.postscript.
VERSION
This document was last revised for Ghostscript version 8.70.
AUTHOR
Artifex Software, Inc. are the primary maintainers of Ghostscript. This manpage by George Ferguson.
8.70 31 July 2009 PS2PDF(1)