| has_ext | R Documentation | 
check for if the passed name has a file extension
has_ext(name, ext, match_case = TRUE)
| name | string name to check for extension | 
| ext | string of extension to check | 
| match_case | logical whether to match the case when checking extension. defaults to TRUE | 
This is not a particularly robust checker, but serves its purpose
has_ext("test.rmd", ".rmd") #TRUE
has_ext("test.Rmd", ".rmd", match_case=FALSE) #TRUE
has_ext("testrmd", ".rmd") #FALSE
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