read_nrows | R Documentation |
read_nrows
takes a file path to a fst file, reads in the first
column of the data frame and returns the number of rows. It relies on
read_colnames
to get the first column name of the data frame.
read_nrows(filep = NULL)
filep |
Character vector of a single file path |
Used in scripts: Robust function: FALSE
Numeric - number of rows
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