[R] problem for strsplit function

Andrew Simmons @kw@|mmo @end|ng |rom gm@||@com
Thu Jul 8 04:45:00 CEST 2021


I would suggest something like `tools::file_path_sans_ext` instead of
`strsplit` to remove the file extension. This is also vectorized, so you
won't have to use a `sapply` or `vapply` on it. I hope this helps!

On Wed, Jul 7, 2021 at 9:28 PM Kai Yang via R-help <r-help using r-project.org>

>  Hello List,
> I have a  one column data frame to store file name with extension. I want
> to create new column to keep file name only without extension.
> I tried to use strsplit("name1.csv", "\\.")[[1]] to do that, but it just
> retain the first row only and it is a vector.  how can do this for all of
> rows and put it into a new column?
> thank you,
> Kai
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