R/patterns_original_observation.R

In isdparser: Parse 'NOAA' Integrated Surface Data Files

# Original Observation Data --------------------------------

# ORIGINAL-OBSERVATION-NCDC SURFACE HOURLY
# The following may be occur from 0 to 99 times
# QNN
nms_qnn = c('original_observation', 'source_codes_and_flags', 'data_value')
qnn <- list(
	ids = c(paste0("QNN0", 1:9), paste0("QNN", 10:99)),
	fun = function(x, code) {
	  str_pieces(
	    str_match_len(x, code, 14),
	    list(c(1,3),c(4,8),c(9,14)),
	    nms_qnn
	  )
	}
)