Take various strings that combine to make a file path and check whether that file exists. If it does, return TRUE. If not, return the value return_if_not.
1 | check_file_exists(..., warning_if_not = FALSE)
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... |
Character strings that will be concantenated to create a file path |
warning_if_not |
Boolean indicating whether a warning should be printed if the file does not exist |
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