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tienhv/gist:cd377e8de5a286e5de97

Created March 14, 2016 15:51
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remove watermark / text from pdf
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gistfile1.txt
src:http://superuser.com/questions/448519/how-to-remove-watermark-from-pdf-using-pdftk
very simply task to perform:
use sed:
sed -e "s/watermarktextstring/ /g" <input.pdf >unwatermarked.pdf
but, after, be sure to repair resulting output pdf
pdftk unwatermarked.pdf output fixed.pdf && mv fixed.pdf unwatermarked.pdf
all into one command:
sed -e "s/watermarktextstring/ /g" <input.pdf >unwatermarked.pdf && pdftk unwatermarked.pdf output fixed.pdf && mv fixed.pdf unwatermarked.pdf
text watermarks are nothing else than a text between two tags inside the pdf compressed code
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