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PDF tricks

This page list some hints related to processing of PDF files.

Counting pages in multiple PDF documents.

This one-liner does the trick using pdfinfo tool: 

 for i in *.pdf; do pdfinfo $i | grep Pages ; do

To display file names along number of pages use this command: 

 for i in *.pdf; do (s=`pdfinfo $i | grep Pages`; echo $s $i) ; done

To find the total number of pages one can use awk: 

for i in *.pdf; do pdfinfo $i | grep Pages ; done | awk 'BEGIN {s=0} {s=s+$2} END {print s}'