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##' @title "Source + Attach" an R source file
##' @author Martin Maechler, 29 Jul 2011
sourceAttach <- function(file, pos = 2,
name = paste(abbreviate(gsub(fsep, "", dirname(file)), 12,
method="both.sides"),
basename(file), sep=fsep),
keep.source = getOption("keep.source.pkgs"),
warn.conflicts = TRUE)
{
ENV <- new.env()
sys.source(file, envir = ENV, keep.source = keep.source)# also checks file
fsep <- .Platform$file.sep # for default 'name' :
## mini-obfuscation: this *IS* a legitimate use of attach()!
A <- attach
A(ENV, pos=pos, name=name, warn.conflicts=warn.conflicts)
}
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