Thank you perfect! it worked also with the GDAL option.

Laura

2008/7/2 Richard Pearson <richard.pearson@postgrad.manchester.ac.uk>:

> Laura
>
> Does jpeg(paste(var_filename, "jpg", sep=".")) do what you want?
>
> Regards
>
> Richard
>
>
> Laura Poggio wrote:
>
>> Dear all,
>> sorry for this very basic question, but I did not find any good example
>> yet.
>>
>> I would like to set up a variable that can be recall later to substitute a
>> part of a file name.
>> As example:
>>
>> var_filename = as.name("aaa")
>>
>> jpeg("var_filename.jpg")
>> plot()
>> dev.off()
>>
>> It would be very useful in order to avoid to change manually many strings.
>> I
>> guess it is possible, but I did not find a way.
>> I am using R 2.7.0 on a window machine.
>>
>> Thank you very much in advance.
>>
>> Laura
>>
>>        [[alternative HTML version deleted]]
>>
>> ______________________________________________
>> R-help@r-project.org mailing list
>> https://stat.ethz.ch/mailman/listinfo/r-help
>> PLEASE do read the posting guide
>> http://www.R-project.org/posting-guide.html
>> and provide commented, minimal, self-contained, reproducible code.
>>
>>
> --
> Richard D. Pearson             richard.pearson@postgrad.manchester.ac.uk
> School of Computer Science,    http://www.cs.man.ac.uk/~pearsonr<http://www.cs.man.ac.uk/%7Epearsonr>
> University of Manchester,      Tel: +44 161 275 6178
> Oxford Road,                   Mob: +44 7971 221181
> Manchester M13 9PL, UK.        Fax: +44 161 275 6204
>

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