Q. How do I find out more information about Portable Document Format (PDF) document from a shell prompt? How do I find out information such as what software used to create a pdf file, its page size, and its creation date etc, using the terminal?
A. You need to use pdfinfo command which, prints the contents of the ‘Info’ dictionary (plus some other useful information) from a Portable Document Format (PDF) file.
pdfinfo to view tech information about a pdf file
Type the command as follows:
$ pdfinfo {file.pdf}
$ pdfinfo lecture5.pdf
Sample output:
Title: Telecommunication Protocols Laboratory Course Author: kraj Creator: LaTeX with hyperref package Producer: dvips + GPL Ghostscript 8.62 CreationDate: Thu Apr 1 11:32:03 2004 ModDate: Thu Apr 1 11:32:38 2004 Tagged: yes Pages: 68 Encrypted: no Page size: 538 x 718 pts File size: 1683167 bytes Optimized: yes PDF version: 1.3
Specify the owner password for the PDF file. Providing this will bypass all security restrictions.
$ pdfinfo -opw password file.pdf
Specify the user password for the PDF file.
$ pdfinfo -upw password file.pdf
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how i get pdfinfo using php? i tried the following code but its not getting..please help
exec(“pdfinfo ” .escapeshellarg($file_path).” | grep -i Pages:”)