Pour utiliser Linux vous avez juste besoin du programme à tout faire
ghostscript et avec quelques commandes que vous aurez vos documents redimensionnées.Par exemple, un document de 50Mo prend 15Mo une fois que le PDF redimensionné en conservant une bonne qualité.
Première chose, l'installation de
ghostscript , pour Ubuntu / Debian et Mint il suffit d'exécuter cette commande : sudo apt-get install ghostscript
|
gs -sDEVICE=pdfwrite -dCompatibilityLevel=1.4 -dPDFSETTINGS=/screen
-dNOPAUSE -dQUIET -dBATCH -sOutputFile=output.pdf input.pdf
Remplacez le nom de fichier output.pdf et input.pdf avec vos noms de fichiers.
Ce sont les options que vous pouvez utiliser pour sélectionner la qualité de la production:
-dPDFSETTINGS=/screen (screen-view-only quality, 72 dpi images) -dPDFSETTINGS=/ebook (low quality, 150 dpi images) -dPDFSETTINGS=/printer (high quality, 300 dpi images) -dPDFSETTINGS=/prepress (high quality, color preserving, 300 dpi imgs) -dPDFSETTINGS=/default (almost identical to /screen)ou
sudo apt-get install ghostscript
cd wget http://www.alfredklomp.com/programming/shrinkpdf/shrinkpdf.sh chmod +x shrinkpdf.sh
exemple :
./shrinkpdf.sh source.pdf destination.pdf
gs -dPDFSETTINGS=/prepress -dSAFER -dCompatibilityLevel=1.5 -dNOPAUSE -dBATCH -sDEVICE=pdfwrite -sstdout=%stderr -dGrayImageResolution=600 -dMonoImageResolution=1200 -dColorImageResolution=300 -sOutputFile=vol_iv_gs.pdf -c .setpdfwrite -f vol_iv.pdfSUR WINDOWS ON UTILISE LA COMMANDE SOUS LA FORME
gswin32 -dPDFSETTINGS=/prepress -dSAFER -dCompatibilityLevel=1.5 -dNOPAUSE -dBATCH -sDEVICE=pdfwrite -sstdout=%stderr -dGrayImageResolution=600 -dMonoImageResolution=1200 -dColorImageResolution=300 -sOutputFile=vol_iv_gs.pdf -c .setpdfwrite -f vol_iv.pdf
Pour plusieurs fichiers :
for file in *.pdf; do output_file=$(echo "$file" | sed -re 's/\.pdf$/out.pdf/'); gs -sDEVICE=pdfwrite -dCompatibilityLevel=1.4 -dPDFSETTINGS=/default -dNOPAUSE -dQUIET -dBATCH -sOutputFile="$output_file" "$file"; done
Linux: How to convert a color pdf to black-white
gs \
-sOutputFile=sortie_gris.pdf \
-sDEVICE=pdfwrite \
-sColorConversionStrategy=Gray \
-dProcessColorModel=/DeviceGray \
-dCompatibilityLevel=1.4 \
source_couleur.pdfShrinkPDF
Using ps2pdf
Regrouper des fichiers Jpeg dans un PDF grâce à ImageMagick :
convert *.jpg livret.pdf
Convertir un PDF couleur en niveaux de gris grâce à ImageMagick :
convert -colorspace GRAY input.pdf output.pdfebook-convert
eCub
writer2epub pour LibreOffice
3 astuces PDF sous Ubuntu
Comment extraire les images d'un fichier PDF sur Ubuntu / Mint
Conversion chm vers pdf :
chm2pdf --book sample.chm sample.pdfcbr2pdf
Extraire le texte et les images d'un fichier pdf
#!/bin/bash
if [ $# -eq 0 ];
then
echo "Il manque le nom du fichier"
exit 1
else
ROOT="/home/user/Bureau/extractPdf"
outPdf="$ROOT/pdf"
outText="$ROOT/text"
outImg="$ROOT/images"
echo -n "Numéro de la première page : "
read firstPage
echo -n "Numéro de la denière page : "
read lastPage
echo -n "Masque des fichiers jpg et pdf extrait : "
read fileNameOut
if [ -z $fileNameOut ];
then
echo "Masque de fichier vide"
exit 1
else
echo "+-----------------------+"
echo "| Extraction des images |"
pdfimages -f $firstPage -l $lastPage -p -j $1 $outImg/$fileNameOut
echo "| Découpage du fichier |"
pdfseparate -f $firstPage -l $lastPage $1 $outPdf/$fileNameOut-%d.pdf
echo "| Extraction des textes |"
echo "+-----------------------+"
for FILE in `ls $outPdf`
do
pdftotext -raw -nopgbrk $outPdf/$FILE $outText/${FILE%%.*}.txt
while read ligne
do
ligne=`echo $ligne | tr '\r\n' ';'`
echo -n $ligne >> $outText/$fileNameOut-full.csv
done < $outText/${FILE%%.*}.txt
echo "" >> $outText/$fileNameOut-full.csv
done
fi
fi
exit 0
Conversion PDF en JPG
convert -quality 100 -density 600x600 mondoc.pdf monimage.jpgconvert METTRE_ICI_LE_NOM_DU_DOCUMENT.pdf output.png
Conversion d'une page de man vers un fichier pdf
man -t convert | ps2pdf - > convert.pdf
man -t imagemagick | ps2pdf - > imagemagick.pdf
Extraire des images d'un fichier PDF :
pdftoppm EXEMPLE.pdf labd
CBR2PDF
Conversion PDF vers CBR avec le scrit PDFtoCBR.sh :
#!/bin/sh
mkdir "`basename \"$1\" .pdf`"
cp "$1" "`basename \"$1\" .pdf`/bd.pdf"
cd "`basename \"$1\" .pdf`"
convert -compress JPEG2000 -quality 75 $f Page.jpg
ls | sed -rn "s/^bd-([0-9]{1})_1\.jpg/mv '&' 'Page-000\1.jpg' /p" |sh
ls | sed -rn "s/^bd-([0-9]{2})_1\.jpg/mv '&' 'Page-00\1.jpg' /p" |sh
ls | sed -rn "s/^bd-([0-9]{3})_1\.jpg/mv '&' 'Page-0\1.jpg' /p" |sh
rar a "../`basename \"$1\" .pdf`.cbr" *;
cd ..;
rm -rf "`basename \"$1\" .pdf`"
Compiler plusieurs fichiers PDF en un seul fichier :
pkftk *.pdf cat output compil.pdfPdftk the-pdf-toolkit
Pdftk/Ubuntu
Pdftk exemples
Pour 1 rotation à 90° sens horaire :
pdftk original.pdf cat 1-endeast output destination.pdf
Sites pour le PDF :
www.icaunux.org/doku.php?id=logiciels_de_modification_de_pdfwww.zyyne.com/site/ www.pdfhacks.com
www.pdftohtml.netpdfzen.comwww.pdfescape.com
Easily Resize PDF on Mac OSX and Linux
On many occasions, you might want to resize a PDF to send it by Email or put it on the web. There are many useless Share- and Bloatware-tools (like Adobe Acrobat) that might or might not help you with that.If you happen to work on a Linux, BSD or Mac OSX machine, you can simply use ghostscript for the task. It’s much faster and gets better filesizes than the Optimize-function of Adobe Acrobat.
All you need to do is to make sure ghostscript is installed and then put the following shortcut in your .profile or .bashrc in your home-directory.
pdfResize() {
gs -sDEVICE=pdfwrite -dCompatibilityLevel=1.4 -dNOPAUSE -dQUIET -dBATCH -dPDFSETTINGS=/$1 -sOutputFile=output.pdf $2
}
gs -sDEVICE=pdfwrite -dCompatibilityLevel=1.4 -dNOPAUSE -dQUIET -dBATCH -dPDFSETTINGS=/$1 -sOutputFile=output.pdf $2
}
pdfResize screen MyDocument.pdf
The first argument sets the quality. Available options are screen, ebook and printer. While screen gives you the smalles file size, printer provides better quality at a reasonable filesize.
Extraire des images d'un PDF avec imagemagick :
<?php
exec('/path/to/imagemagick');
?>Create GIF Thumbnail of First PDF Page
<?php
//the path to the PDF file
$strPDF = "my_pdf.pdf";
exec("convert \"{$strPDF}[0]\" -colorspace RGB -geometry 200 \"output.gif\"");
?>
Create JPEG Thumbnails of ALL Pages Within PDF
<?php
//the path to the PDF file
$strPDF = "my_pdf.pdf";
exec("convert \"{$strPDF}\" -colorspace RGB -geometry 200 \"output.jpg\"");
?>
Create Large PNG 1024px Image of First PDF Page
<?php
//the path to the PDF file
$strPDF = "my_pdf.pdf";
exec("convert \"{$strPDF}[0]\" -colorspace RGB -geometry 1024 \"output.png\"");
?>
Create Large PNG 1024px Images of ALL Pages Within PDF
<?php
//the path to the PDF file
$strPDF = "my_pdf.pdf";
exec("convert \"{$strPDF}\" -colorspace RGB -geometry 1024 \"output.png\"");
?>
Compiler / empaqueter / regrouper plusieurs images dans un fichier PDF :
convert -compress jpeg *.jpg nom_destination.pdf
Psutils, psnup, psselect, ps2pdf
Autres :
Master PDF Editorps2pdf: PostScript-to-PDF converter
K2pdfopt, a PDF/DJVU optimizer for mobile e-readers such as the Kindle
Pour alléger les fichiers ebooks au format .epub :
sudo apt-get install python-beautifulsoup
wget https://raw.githubusercontent.com/rupa/epub/master/epub.py
python epub.py nomeebook.epub
Script python pour les PDF :
#! /usr/bin/env python
# -*- coding: utf-8 -*-
import sys
import os
import shutil #
'''
This program is Linux only.
Requires pdftops and ps2pdf14
'''
failure = "failure"
filesTo_find = ['pdftops','ps2pdf14']
errorMessage_1 = 'This program requires both pdftops and ps2pdf14.\nOne or both is missing. Please install to allow this program to function'
errorMessage_2 = 'This program does not yet operate on windows.\nFeel free to modify it run on a win32 system'
errorMessage_3 = 'This program does not yet operate on OS2.\nFeel free to modify it run on an OS2 system'
errorMessage_4 = 'You do not have permission to write in this directory.\nCopy the pdf to a writable directory and try again.'
found = 0
try:
import scribus
except ImportError,err:
print "This Python script is written for the Scribus scripting interface."
print "It can only be run from within Scribus."
sys.exit(1)
if sys.platform != 'win32':
pass
else:
result = scribus.messageBox('Sorry - Linux Only program', errorMessage_2,)
sys.exit()
if sys.platform != 'os2':
pass
else:
result = scribus.messageBox('Sorry - Linux Only program', errorMessage_3,)
sys.exit()
path = os.environ['PATH']
paths = path.split(os.pathsep)
for ftf in filesTo_find:
for p in paths:
f = p + '/' + ftf
if os.path.isfile(f):
found = found + 1 #need to start search for next file when first file found
break
if found == 2:
pass
else:
result = scribus.messageBox('Missing Programs', errorMessage_1,)
sys.exit()
homedir = os.path.expanduser("~")
os.chdir(homedir)
filename=scribus.fileDialog("Reduce PDF", "PDF files(*.PDF *.pdf)")
if os.path.isfile(filename):
orig_size = os.path.getsize(filename)
cmd = 'pdftops' + ' ' + filename
os.system(cmd)
if os.path.exists(filename[:-3] + 'ps'):
cmd2 = 'ps2pdf14' + ' ' + filename[:-3] + 'ps' + ' ' + filename[:-3] + 'new' + '.pdf'
os.system(cmd2)
new_size = os.path.getsize(filename[:-3] + 'new' + '.pdf')
else:
result = scribus.messageBox('Big Boo Boo', 'Something real bad has gone wrong! Sorry',)
sys.exit(1)
pdf_file = os.path.basename(filename)
result = scribus.messageBox(pdf_file,"Original size was" + ' ' + str(orig_size) + ' ' + "bytes" + '\n' + "New size is" + ' ' + str(new_size) + ' ' + "bytes"'\n' )
Aucun commentaire:
Enregistrer un commentaire