The \'Info' dictionary contains the following values:
title
subject
keywords
author
creator
producer
creation date
modification date
In addition, the following information is printed:
page count
print and copy permissions (if encrypted)
page size
file size
PDF version
metadata (only if requested)
-f " number" Specifies the first page to examine. If multiple pages are requested using the "-f" and "-l" options, the size of each requested page (and, optionally, the bounding boxes for each requested page) are printed. Otherwise, only page one is examined.
-l " number" Specifies the last page to examine.
-box Prints the page box bounding boxes: MediaBox, CropBox, BleedBox, TrimBox, and ArtBox.
-meta Prints document-level metadata. (This is the "Metadata" stream from the PDF file's Catalog object.)
-enc " encoding-name" Sets the encoding to use for text output. This defaults to "UTF-8".
-listenc Lits the available encodings
-opw " password" Specify the owner password for the PDF file. Providing this will bypass all security restrictions.
-upw " password" Specify the user password for the PDF file.
-v Print copyright and version information.
-h Print usage information. ( -help and --help are equivalent.)
0 No error.
1 Error opening a PDF file.
2 Error opening an output file.
3 Error related to PDF permissions.
99 Other error.