Extract flags from yspec meta data

Use ys_flags_chr() to get a character vector of all columns returned by ys_flags().

ys_flags(x, ...)

ys_flags_chr(x, ...)

Arguments

x

a yspec object.

...

tidy-select specification of flag names to select.

Value

ys_flags() returns a named list of flag column names. ys_flags_chr() returns a character vector of all flag columns returned by ys_flags().

See also

ys_select_fl(), ys_factors_fl()

Examples

spec <- ys_help$spec()

ys_flags(spec, nm)
#> $nm
#> [1] "ID"   "TIME" "CMT"  "AMT"  "MDV" 
#> 

ys_flags_chr(spec, nm) 
#> [1] "ID"   "TIME" "CMT"  "AMT"  "MDV"