How to change the title of a PDF? [closed]

I am getting a bunch of PDF files from some other source, and I need to change the PDF title via a script, i.e. the title that you can inspect via pdfinfo for example. Does texlive come with some such tool / package? Or are there other packages? I have investigated pdftk and the pdftools, but not found anything so far.

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closed as off topic by egreg, Jake, Harish Kumar, Martin Scharrer♦May 3 '12 at 11:55

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This is not really a tex related questions, however pdftk can indeed do what you want. Have a look at the update_info command which either take a file or stdin input. –  ArTourter May 3 '12 at 10:57
As @ArTourter said pdftk will do the job, here's a tutorial: sangonz.wordpress.com/2010/04/11/… –  Edo May 3 '12 at 11:23
TeX programs can produce PDF files, but not manipulate them. One way might be to import a complete PDF with \includepdf from pdfpages and set the title; but links in the included PDF will disappear. –  egreg May 3 '12 at 11:27
I'm sorry but this is not on-topic here and therefore got closed. However, I can tell you that pdftk has an update_info option which should allow you to change the PDF title in the meta-data. –  Martin Scharrer May 3 '12 at 11:57
Yup, ok. pdftk works and we can close this. :) –  Arne May 3 '12 at 13:19