Merge pdf files freely without installing another programme
Using the utility pdfunite
To merge multiple pdf files into a single pdf file with the utility pdfunite, open your terminal and run:
$ pdfunite pdf_sourcefile1 pdf_sourcefile2 pdf_output
pdf_sourcefile1 et cetera are the pdf files you want to merge.
pdf_output is the name of a pdf file that will be created with all pdf files merged once you have run the command.
To learn more about pdftunite run:
$ man pdfunite
pdfunite is copyleft-licensed and was first released in 1995. It was written, and is still developed, by Derek Noonburg1.
You can also use Ghostscript to merge multiple pdf files into one pdf file.
To merge multiple pdf files into one single pdf file run:
$ gs -q \ -sPAPERSIZE=letter \ -dNOPAUSE \ -dBATCH \ -sDEVICE=pdfwrite \ -sOutputFile=merged.pdf \ pdf_sourcefile1 \ pdf_sourcefile2
You can run
$ man gs to understand what each option does.
If you don’t know whether Ghostscript is installed on your operating system, on GNU/Linux, you can check by running in your terminal:
$ dpkg -s ghostscript
dpkg is a package manager. The option
–status) prints the status of a programme e.g. whether a program is installed. If so, you should see a line printing:
Status: install ok installed
You can also run:
$ dpkg -s ghostscript | grep installed
grep will print the line that matches keyword ‘installed’.
If you need to install Ghostscript run:
$ sudo apt install ghostscript
Ghostscript is copyleft-licensed and was released in 1988 by L. Peter Deutsch.