Nothing
.GRASS_CACHE <- new.env(FALSE, parent=globalenv())
if(!exists("Sys.setenv", envir = baseenv())) Sys.setenv <- Sys.putenv
.onLoad <- function(lib, pkg) {
assign(".GRASS_old.GRASS_PAGER", Sys.getenv("GRASS_PAGER"), envir=.GRASS_CACHE)
Sys.setenv("GRASS_PAGER"="cat")
assign(".GRASS_old.GRASS_MESSAGE_FORMAT", Sys.getenv("GRASS_MESSAGE_FORMAT"),
envir=.GRASS_CACHE)
assign("INIT_USED", FALSE, envir=.GRASS_CACHE)
Sys.setenv("GRASS_MESSAGE_FORMAT"="text")
gisrc <- Sys.getenv("GISRC")
loc <- Sys.getenv("LOCATION_NAME")
assign("cmdCACHE", list(), envir=.GRASS_CACHE)
assign("override_encoding", "", envir=.GRASS_CACHE)
SYS <- ""
if (.Platform$OS.type == "windows") {
if (Sys.getenv("OSTYPE") == "msys") SYS <- "msys"
else SYS <- "WinNat"
} else if (.Platform$OS.type == "unix") SYS <- "unix"
assign("SYS", SYS, envir=.GRASS_CACHE)
res <- ""
if (SYS == "msys" || SYS == "WinNat") res =".exe"
assign("addEXE", res, envir=.GRASS_CACHE)
assign("WN_bat", "", envir=.GRASS_CACHE)
if (SYS == "WinNat" && nchar(gisrc) > 0) {
pyScripts <- basename(list.files(paste(Sys.getenv("WINGISBASE"),
"scripts", sep="/"), pattern="py$"))
names(pyScripts) <- sub("\\.py", "", pyScripts)
assign("pyScripts", pyScripts, envir=.GRASS_CACHE)
}
assign("ignore.stderr", FALSE, envir=.GRASS_CACHE)
assign("useGDAL", TRUE, envir=.GRASS_CACHE)
assign("stop_on_no_flags_paras", TRUE, envir=.GRASS_CACHE)
assign("plugin", NULL, envir=.GRASS_CACHE)
assign("echoCmd", FALSE, envir=.GRASS_CACHE)
assign("GV", "", envir=.GRASS_CACHE)
assign("useIntern", FALSE, envir=.GRASS_CACHE)
assign("legacyExec", .Platform$OS.type == "windows", envir=.GRASS_CACHE)
assign("defaultFlags", NULL, envir=.GRASS_CACHE)
assign("suppressEchoCmdInFunc", TRUE, envir=.GRASS_CACHE)
}
.onAttach <- function(lib, pkg) {
gisrc <- Sys.getenv("GISRC")
loc <- Sys.getenv("LOCATION_NAME")
if (nchar(gisrc) == 0) gv <- "(GRASS not running)"
else {
gv <- system(paste("g.version", get("addEXE", envir=.GRASS_CACHE),
sep=""), intern=TRUE)
assign("GV", gv, envir=.GRASS_CACHE)
if(nchar(loc) == 0) {
loc <- read.dcf(gisrc)[1,"LOCATION_NAME"]
}
}
Smess <- paste('GRASS GIS interface loaded ',
'with GRASS version: ', gv, '\n',
ifelse(nchar(loc) == 0, '', paste('and location: ', loc, '\n', sep="")),
sep="")
packageStartupMessage(Smess, appendLF = FALSE)
}
.onUnload <- function(lib, pkg) {
if (get("INIT_USED", envir=.GRASS_CACHE)) {
unlink_.gislock()
unset.GIS_LOCK()
}
Sys.setenv("GRASS_PAGER"=get(".GRASS_old.GRASS_PAGER", envir=.GRASS_CACHE))
Sys.setenv("GRASS_MESSAGE_FORMAT"=get(".GRASS_old.GRASS_MESSAGE_FORMAT",
envir=.GRASS_CACHE))
rm(.GRASS_CACHE)
}
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