I don't think this function is same as gcc's option -MM. Because gcc
checks pre-compile command #include, in which the filename can be
fetched definitely. But in your scenario, the filename may be from
some variables, which can not be determined by the R script only.
Maybe you can write a tool by yourself to parse the R syntax to
resolve your problem.
On Tue, Nov 17, 2009 at 11:51 AM, Peng Yu <pengyu...@gmail.com> wrote:
> On Sun, Nov 15, 2009 at 8:45 PM, Peng Yu <pengyu...@gmail.com> wrote:
>> gcc has options like -MM, which can generate the dependence files for
>> a C/C++ file that I can be used by gnu make. I'm wondering if there is
>> a tool that can generate dependence file for an R script.
>>
>> For example, I have an R script test.R
>>
>> #########test.R
>> load('input.RData')
>> save.image('output.RData')
>>
>>
>> I want to generate a dependence file like the following. Is there a
>> tool to do so?
>>
>> output.RData:test.R input.RData
>
> Is there a way to automatically generate the output files that depends
> on an R script and the input files and sourced files that are depended
> by an R script? I don't see this option in R. But I wish this can be
> implemented in future version of R.
>
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