11-11-2012
Quote:
Originally Posted by
RudiC
Interesting result. Hmmm. I'm not sure that cp was exec'ed 881 times in the second case; the + sign will collect all file names as parameters, which you allow for using the @ sign in your script. Could you set the -x shell option and show us what happens?
I must not have been clear about what happened.
In the 1st case cp was invoked 881 times to copy 881 files. In the 2nd case, the shell script CpDest1st was invoked 1 time and it invoked cp 1 time to copy the same 881 files. The cp command line invoked was 65190 bytes long. Even though it is just a list of PDF files preceded by
cp -f and ending with
/Users/dwc/tc1-2008detailed.pdf /Users/dwc/tc1-2008summary.pdf /tmp/pdfdest, I'm not comfortable posting the names of the other 879 PDF files both because this forum is not set up to handle a 65000+ character line length and because the directory structure and file names of files under my home directory is nobody's business but mine.
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LEARN ABOUT DEBIAN
pdfseparate
pdfseparate(1) General Commands Manual pdfseparate(1)
NAME
pdfseparate - Portable Document Format (PDF) page extractor
SYNOPSIS
pdfseparate [options] PDF-file PDF-page-pattern
DESCRIPTION
pdfseparate extract single pages from a Portable Document Format (PDF).
pdfseparate reads the PDF file PDF-file, extracts one or more pages, and writes one PDF file for each page to PDF-page-pattern, PDF-page-
pattern should contain %d
The PDF-file should not be encrypted.
OPTIONS
-f number
Specifies the first page to extract. If -f is omitted, extraction starts with page 1.
-l number
Specifies the last page to extract. if -p is omitted, extraction ends with the last page.
-v Print copyright and version information.
-h Print usage information. (-help and --help are equivalent.)
EXAMPLE
pdfseparate sample.pdf sample-%d.pdf
extracts all pages from sample.pdf, if i.e. sample.pdf has 3 pages, it produces
sample-1.pdf, sample-2.pdf, sample-3.pdf
AUTHOR
The pdfseparate software and documentation are copyright 1996-2004 Glyph & Cog, LLC and copyright 2005-2011 The Poppler Developers -
http://poppler.freedesktop.org
SEE ALSO
pdfunite(1),
15 September 2011 pdfseparate(1)