>>>>> Paul Grosu <pgr...@gmail.com>
>>>>> on Thu, 28 Jan 2016 07:53:13 -0500 writes:
> Hi Dario,
> Here are another couple of other fun functions you can utilize besides the
> ones Dirk recommended :)
> extSoftVersion()
> grSoftVersion()
> Below is an example:
>> grSoftVersion()
> cairo libpng jpeg
> "1.10.2" "1.6.16" "9.1"
> libtiff
> "LIBTIFF, Version 4.0.3"
>> extSoftVersion()
> zlib bzlib xz
> "1.2.8" "1.0.6, 6-Sept-2010" "5.0.8"
> PCRE ICU TRE
> "8.36 2014-09-26" "53.1" "TRE 0.8.0 R_fixes (BSD)"
> iconv
> "win_iconv"
> Hope it helps,
> ~p
Sure does, thank you.
What also helps is reading RFM :
The thread started with 'capabilities' and
?capabilities
has a prominent link to extSoftVersion
and that itself mentions grSoftVersion ... (and few more such functions!).
Martin
> On Thu, Jan 28, 2016 at 6:32 AM, Dirk Eddelbuettel <e...@debian.org>
wrote:
>>
>> On 28 January 2016 at 09:00, Dario Strbenac wrote:
>> | The capabilities function gives a logical result of which features R
has
>> been compiled with. Is there a more advanced variety of the function that
>> will give the version number of the library, or its system path, rather
>> than simply TRUE ?
>>
>> Both can _change_ when dynamic linking is involved [1]. So I'd say that
>> is a job
>> for your operating system.
>>
>> Eg on mine and taking png:
>>
>> edd@max:~$ r -e 'print(capabilities()[["png"]])'
>> [1] TRUE
>> edd@max:~$ ldd /usr/lib/R/modules/R_X11.so | grep png
>> libpng12.so.0 => /lib/x86_64-linux-gnu/libpng12.so.0
>> (0x00007f150324d000)
>> edd@max:~$ dpkg -S /lib/x86_64-linux-gnu/libpng12.so.0
>> libpng12-0:amd64: /lib/x86_64-linux-gnu/libpng12.so.0
>> edd@max:~$
>>
>> Dirk
>>
>> [1] Presumably only minor numbers change while the ABI remains the same.
>>
>> --
>> http://dirk.eddelbuettel.com | @eddelbuettel | e...@debian.org
>>
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