Is there any other function or package to obtain extensions in filenames?
I tried using file_ext() function from R package library(R.utils), it works on Rtsudio server but fails to work on shiny server.
If all else fails, there is always regex:
gsub("(.+)\\.(.+?$)","\\2", "file.info")
># info
gsub("(.+)\\.(.+?$)","\\2", "htmls.peeples")
># peeples
Combine with basename()
to clean up file paths.
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file_ext()
is in the tools
package, which isn't automatically loaded.
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