[R] about file name

lily li
2016-07-28T20:39:33Z

Thanks, but how to get the string like this:
"35.84375_-100.71875" use the minus sign instead of dot.

On Thu, Jul 28, 2016 at 2:38 PM, jim holtman <jholtman at gmail.com>
wrote:

> just strip off the first character:
>
> > a
> [1] "X35.84375_.100.71875"
> > a.new <- sub("^.", '', a)
> > a.new
> [1] "35.84375_.100.71875"
> >
>
>
> Jim Holtman
> Data Munger Guru
>
> What is the problem that you are trying to solve?
> Tell me what you want to do, not how you want to do it.
>
> On Thu, Jul 28, 2016 at 3:51 PM, lily li <chocold12 at gmail.com>
wrote:
>
>> Hi R users,
>>
>> I have a string for example 'X35.84375_.100.71875', and I have
another
>> dataframe df that I want to export with the transformed string name
>> '35.84375_-100.71875' with no extension. How to do this in R?
Thanks for
>> your help.
>>
>> a = 'X35.84375_.100.71875'
>> write.table(df, file='', row.names=F, col.names=F)
>>
>>         [[alternative HTML version deleted]]
>>
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>
>