11-26-2010
oh, I think I understand now. A port is sort of like a "node" that channels(port rights) connect to and a port name is an identifier stored in the port namespace that is used sort of like a "container", to "group" all the associated rights.
Last edited by neur0n; 11-26-2010 at 08:05 PM..
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pdfinfo(1) General Commands Manual pdfinfo(1)
NAME
pdfinfo - Portable Document Format (PDF) document information extractor (version 3.00)
SYNOPSIS
pdfinfo [options] [PDF-file]
DESCRIPTION
Pdfinfo prints the contents of the 'Info' dictionary (plus some other useful information) from a Portable Document Format (PDF) file.
The 'Info' dictionary contains the following values:
title
subject
keywords
author
creator
producer
creation date
modification date
In addition, the following information is printed:
tagged (yes/no)
page count
encrypted flag (yes/no)
print and copy permissions (if encrypted)
page size
file size
linearized (yes/no)
PDF version
metadata (only if requested)
OPTIONS
-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.)
EXIT CODES
The Xpdf tools use the following exit codes:
0 No error.
1 Error opening a PDF file.
2 Error opening an output file.
3 Error related to PDF permissions.
99 Other error.
AUTHOR
The pdfinfo software and documentation are copyright 1996-2004 Glyph & Cog, LLC.
SEE ALSO
pdftops(1), pdftotext(1), pdffonts(1), pdftoppm(1), pdfimages(1),
22 January 2004 pdfinfo(1)