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This function loads a file and scans it for a given keyword which signposts
the beginning and end of a pattern. It then extracts all the text between the
keywords for manipulation as a pattern. For extracting multiple patterns at
once from a single file, check out extract_draft
.
extract_pattern(filepath, keyword, preserve = FALSE)
A valid character string to the plaintext file containing the pattern.
A placeholder which signposts the beginning and end of the pattern to be extracted.
A boolean (TRUE/FALSE
) value indicating whether or not
keywords should be included in the extracted pattern (TRUE
) or not
(FALSE
); default FALSE
.
A character string, typically used to assemble a draft.
Other import functions:
extract_draft()
,
import_draft()
,
import_pattern()
# NOT RUN {
pattern_file <- tempfile("out", tempdir(), ".Rmd")
export_template("EXTRACT my sample pattern EXTRACT", pattern_file)
extract_pattern(pattern_file, "EXTRACT")
# }
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