Scrape options from a code block
Scrape options from a code block
scrape_opts( x, envir = list(), def = list(), all = TRUE, marker = "=", allow_multiple = FALSE, narrow = TRUE )
x |
data |
envir |
environment from |
def |
default values |
all |
return all options, even those that are not in |
marker |
assignment operator; used to locate lines with options |
allow_multiple |
if |
narrow |
logical; if |
list with elements x
(the data without options) and named
options as specified in the block.
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