Retrieves upper-left header fields (columns beginning with "UL",
such as UL1 and UL2) from metadata.
See also
read_tfile() to read metadata from Excel or CSV;
get_title(), get_footnote(), get_source(), get_pop(),
get_byline(), get_pgmname(), get_urheader(),
and get_bookm() for retrieving individual annotation fields;
change_colname() to standardize column names in the metadata file.
Examples
meta <- data.frame(
UL1 = "Drug X",
UL2 = "Study 001",
UR1 = "CONFIDENTIAL",
UR2 = "VERSION: FINAL"
)
get_ulheader(meta)
#> UL1 UL2
#> 1 Drug X Study 001
