is_tag_line {qryflow} | R Documentation |
Detect the presence of a properly structured tagline
Description
Checks whether a specially structured comment line if formatted in the way that qryflow expects.
Usage
is_tag_line(line)
Arguments
line |
A character vector to check. It is a vectorized function. |
Details
Tag lines should look like this: -- @key: value
Begins with an inline comment (
--
)An
@
precedes a tag type (e.g.,type
,name
,query
,exec
) and is followed by a colon (:
)A value is provided
Value
Logical. Indicating whether each line matches tag specification.
Examples
a <- "-- @query: df_mtcars"
b <- "-- @exec: prep_tbl"
c <- "-- @type: query"
lines <- c(a, b, c)
is_tag_line(lines)
[Package qryflow version 0.1.0 Index]