vpr_day.Rd
Get day identifier
vpr_day(x)
A string specifying the directory and file name of the size file
A string of only the day identifier (i.e., "dXXX")
day_string <- 'C:/data/cruise/autoid/Calanus/d000/h00'
vpr_day(day_string)
#> [[1]]
#> [1] "d000"
#>