Dear List,
There seems to be an bug in compactPDF() or at least an inconsistency
with the documented behaviour.
The documentations states:
Details:
This by default makes use of ‘qpdf’, available from <URL:
http://qpdf.sourceforge.net/>, including a Windows binary. If
‘gs_cmd’ is non-empty, GhostScript is used.
I don't have qpdf on my system so planned to use ghostscript. However,
the code for compactPDF() has as it's first few lines:
if (!nzchar(Sys.which(qpdf)))
return()
So because I don't have qpdf, compactPDF() always returns NULL:
> nzchar(Sys.which(Sys.getenv("R_QPDF", "qpdf")))
[1] FALSE
> compactPDF("../analogue/pkg/inst/doc/analogue_methods.pdf", gs_cmd =
> "/usr/bin/")
NULL
no matter what I do.
This is with:
> sessionInfo()
R version 2.13.0 alpha (2011-03-27 r55077)
Platform: x86_64-unknown-linux-gnu (64-bit)
locale:
[1] LC_CTYPE=en_GB.utf8 LC_NUMERIC=C
[3] LC_TIME=en_GB.utf8 LC_COLLATE=en_GB.utf8
[5] LC_MONETARY=C LC_MESSAGES=en_GB.utf8
[7] LC_PAPER=en_GB.utf8 LC_NAME=C
[9] LC_ADDRESS=C LC_TELEPHONE=C
[11] LC_MEASUREMENT=en_GB.utf8 LC_IDENTIFICATION=C
attached base packages:
[1] tools stats graphics grDevices utils datasets
[7] methods base
Thanks,
Gavin
--
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Dr. Gavin Simpson [t] +44 (0)20 7679 0522
ECRC, UCL Geography, [f] +44 (0)20 7679 0565
Pearson Building, [e] gavin.simpsonATNOSPAMucl.ac.uk
Gower Street, London [w] http://www.ucl.ac.uk/~ucfagls/
UK. WC1E 6BT. [w] http://www.freshwaters.org.uk
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