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## My modification of R 1.7.1 functions to help with iESS... Search for
## iESS to see the changes I made.
## source("ess-rlib.R") before running (ess-rpackage "")
print.libraryIQR <- function (x, ...)
{
sQuote <- function(s) paste("'", s, "'", sep = "")
db <- x$results
out <- if (nrow(db) == 0)
NULL
else lapply(split(1:nrow(db), db[, "LibPath"]), function(ind) db[ind,
c("Package", "Title"), drop = FALSE])
outFile <- tempfile("RlibraryIQR")
outConn <- file(outFile, open = "w")
first <- TRUE
for (lib in names(out)) {
writeLines(paste(ifelse(first, "", "\n"), "Packages in library ",
sQuote(lib), ":\n", sep = ""), outConn)
if (!is.null(getOption("STERM")) &&
grep("^iESS", getOption("STERM")) == 1)
writeLines(formatDL(paste("\\package{", out[[lib]][, "Package"], "}",
sep=''),
out[[lib]][, "Title"]), outConn)
else
writeLines(formatDL(out[[lib]][, "Package"],
out[[lib]][, "Title"]), outConn)
first <- FALSE
}
if (first) {
close(outConn)
unlink(outFile)
writeLines("no packages found")
}
else {
if (!is.null(x$footer))
writeLines(c("\n", x$footer), outConn)
close(outConn)
file.show(outFile, delete.file = TRUE, title = "R packages available")
}
invisible(x)
}
data <- function (..., list = character(0), package = .packages(),
lib.loc = NULL,
verbose = getOption("verbose"))
{
sQuote <- function(s) paste("'", s, "'", sep = "")
names <- c(as.character(substitute(list(...))[-1]), list)
if (!missing(package))
if (is.name(y <- substitute(package)))
package <- as.character(y)
found <- FALSE
fsep <- .Platform$file.sep
paths <- .find.package(package, lib.loc, verbose = verbose)
if (is.null(lib.loc))
paths <- c(.path.package(package, TRUE), getwd(), paths)
paths <- unique(paths[file.exists(paths)])
nodata <- !(file.exists(file.path(paths, "data")) & file.info(file.path(paths,
"data"))$isdir)
if (any(nodata)) {
if (!missing(package) && (length(package) > 0)) {
packagesWithNoData <- package[package %in% sapply(paths[nodata],
basename)]
if (length(packagesWithNoData) > 1) {
warning(paste("packages", paste(sQuote(packagesWithNoData),
collapse = ", "), "contain no datasets"))
}
else if (length(packagesWithNoData) == 1) {
warning(paste("package", sQuote(packagesWithNoData),
"contains no datasets"))
}
}
paths <- paths[!nodata]
}
if (length(names) == 0) {
db <- matrix(character(0), nr = 0, nc = 4)
noindex <- character(0)
for (path in paths) {
entries <- NULL
if (file.exists(INDEX <- file.path(path, "Meta",
"data.rds"))) {
entries <- .readRDS(INDEX)
}
else if (file.exists(INDEX <- file.path(path, "data",
"00Index.rds"))) {
entries <- .readRDS(INDEX)
}
else if (file.exists(INDEX <- file.path(path, "data",
"00Index.dcf"))) {
entries <- read.dcf(INDEX)
entries <- cbind(colnames(entries), c(entries))
}
else if (file.exists(INDEX <- file.path(path, "data",
"00Index")))
entries <- read.00Index(INDEX)
else {
if (length(list.files(file.path(path, "data"))) >
0)
noindex <- c(noindex, basename(path))
}
if (NROW(entries) > 0) {
## SJE
if (!is.null(getOption("STERM")) &&
grep("^iESS", getOption("STERM")) == 1)
entries[,1] <- paste("\\data{",entries[,1], "}", sep='' )
db <- rbind(db, cbind(basename(path), dirname(path),
entries))
}
}
colnames(db) <- c("Package", "LibPath", "Item", "Title")
if (length(noindex) > 0) {
if (!missing(package) && (length(package) > 0)) {
packagesWithNoIndex <- package[package %in% noindex]
if (length(packagesWithNoIndex) > 1) {
warning(paste("packages", paste(sQuote(packagesWithNoIndex),
collapse = ", "), "contain data sets but no index"))
}
else if (length(packagesWithNoIndex) == 1)
warning(paste("package", sQuote(packagesWithNoIndex),
"contains data sets but no index"))
}
}
footer <- if (missing(package))
paste("Use ", sQuote(paste("data(package =", ".packages(all.available = TRUE))")),
"\n", "to list the data sets in all *available* packages.",
sep = "")
else NULL
y <- list(type = "data", title = "Data sets", header = NULL,
results = db, footer = footer)
class(y) <- "packageIQR"
return(y)
}
paths <- file.path(paths, "data")
for (name in names) {
files <- NULL
for (p in paths) {
if (file.exists(file.path(p, "Rdata.zip"))) {
if (file.exists(fp <- file.path(p, "filelist")))
files <- c(files, file.path(p, scan(fp, what = "",
quiet = TRUE)))
else warning(paste(sQuote("filelist"), "is missing for dir",
sQuote(p)))
}
else {
files <- c(files, list.files(p, full = TRUE))
}
}
files <- files[grep(name, files)]
found <- FALSE
if (length(files) > 1) {
good <- c("R", "r", "RData", "rdata", "rda", "tab",
"txt", "TXT", "csv", "CSV")
exts <- sub(".*\\.", "", files)
o <- match(exts, good, nomatch = 100)
paths <- dirname(files)
paths <- factor(paths, levels = paths)
files <- files[order(paths, o)]
}
if (length(files) > 0) {
subpre <- paste(".*", fsep, sep = "")
for (file in files) {
if (verbose)
cat("name=", name, ":\t file= ...", fsep, sub(subpre,
"", file), "::\t", sep = "")
if (found)
break
found <- TRUE
ext <- sub(".*\\.", "", file)
if (sub(subpre, "", file) != paste(name, ".",
ext, sep = ""))
found <- FALSE
else {
zfile <- zip.file.extract(file, "Rdata.zip")
switch(ext, R = , r = source(zfile, chdir = TRUE),
RData = , rdata = , rda = load(zfile, envir = .GlobalEnv),
TXT = , txt = , tab = assign(name, read.table(zfile,
header = TRUE), env = .GlobalEnv), CSV = ,
csv = assign(name, read.table(zfile, header = TRUE,
sep = ";"), env = .GlobalEnv), found <- FALSE)
if (zfile != file)
unlink(zfile)
}
if (verbose)
cat(if (!found)
"*NOT* ", "found\n")
}
}
if (!found)
warning(paste("Data set", sQuote(name), "not found"))
}
invisible(names)
}
## This function needed for ess-rpackage, Sun 14 Sep 2003
funs.for.package <- function(package) {
x <- .readRDS(file = system.file("Meta", "Rd.rds", package = package))
writeLines(formatDL(unlist(x[,5]),
rep(x[,4], sapply(x[,5], length))))
}
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