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pdftk-The pdf toolkit
Creating and reading PDF files in Linux is easy, but manipulating existing PDF files is a little trickier.The PDF Toolkit (pdftk) claims to be that all-in-one solution.
Pdftk allows you to manipulate PDF easily and freely. It does not require Acrobat, and it runs on Windows, Linux, Mac OS X, FreeBSD and Solaris.Pdftk is free software (GPL).It can join and split PDFs; pull single pages from a file; encrypt and decrypt PDF files; add, update, and export a PDF's metadata; export bookmarks to a text file; add or remove attachments to a PDF; fix a damaged PDF; and fill out PDF forms.It is a command-line tool.
Below are some of the commands which can be used for the different applications:
pdftk file1.pdf file2.pdf cat output newFile.pdf
cat is short for concatenate -- that is, link together and output tells pdftk to write the combined PDFs to a new file.
pdftk mydocument.pdf burst
The burst option breaks a PDF into multiple files -- one file for each page.
To remove the specific pages from a file.For example,to remove 10-25 pages from a PDF file:
pdftk myDocument.pdf cat 1-9 26-end output removedPages.pdf
pdftk html_tidy.pdf attach_files command_ref.html to_page 24 output html_tidy_book.pdf
The FDF file contains the names of each field in the PDF and the values you want to enter into those fields. The FDF file also contains a link to the name of the PDF form. An FDF file looks something like this:%FDF-1.2 1 0 obj << /FDF << /Fields [ << /T (Name_field) /V (Fred Langan) >> << /T (Address_field) /V (1313 Mockingbird Lane) >> << /T (Age_field) /V (53) >>] /F (info_form.pdf) >> >> endobj trailer << /Root 1 0 R >> %EOF
To fill out the form using an FDF file, use a command like this:
pdftk survey_form.pdf fill_form survey_answers.fdf output filled_survey.pdf