ZipSource | R Documentation |
Create a ZIP file source.
ZipSource(zipfile,
pattern = NULL,
recursive = FALSE,
ignore.case = FALSE,
mode = "text")
zipfile |
A character string with the full path name of a ZIP file. |
pattern |
an optional regular expression. Only file names in the ZIP file which match the regular expression will be returned. |
recursive |
logical. Should the listing recurse into directories? |
ignore.case |
logical. Should pattern-matching be case-insensitive? |
mode |
a character string specifying if and how files should be read in. Available modes are:
|
A ZIP file source extracts a compressed ZIP file via
unzip
and interprets each file as a document.
An object inheriting from ZipSource
, SimpleSource
, and
Source
.
Source
for basic information on the source infrastructure
employed by package tm.
zipfile <- tempfile()
files <- Sys.glob(file.path(system.file("texts", "txt", package = "tm"), "*"))
zip(zipfile, files)
zipfile <- paste0(zipfile, ".zip")
Corpus(ZipSource(zipfile, recursive = TRUE))[[1]]
file.remove(zipfile)
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