quote

giovedì, dicembre 22, 2016

concatenate pdf files with ubunbtu


$ pdfunite ES_0818_1.pdf ES_0818_2.pdf  ES_0818_3.pdf  ex_082018.pdf

In order to remove an (unknown) password from a protected pdf use this command:
$ gs -q -dNOPAUSE -dBATCH -sDEVICE=pdfwrite -sOutputFile=unencrypted.pdf -c .setpdfwrite -f encrypted.pdf

factorial with RecursiveTask