object_size <- function(...)
{
structure(sapply(list(...), utils::object.size),
class=c("object_sizes", "numeric"))
}
print.object_sizes <- function(x, quote=FALSE,
humanReadable=getOption("humanReadable"),
standard="IEC", units, digits=1, width=NULL,
sep=" ", justify = c("right", "left"), ...)
{
print(format(x, humanReadable=humanReadable, standard=standard, units=units,
digits=digits, width=width, sep=sep,
justify=justify), quote=quote, ...)
invisible(x)
}
format.object_sizes <- function(x, humanReadable=getOption("humanReadable"),
standard="IEC", units, digits=1, width=NULL,
sep=" ", justify = c("right", "left"), ...)
{
if(!missing(units))
{
if (units=="bytes")
paste(x, "bytes")
else
humanReadable(x, standard=standard, units=units, digits=digits,
width=width, sep=sep, justify=justify)
}
else if(is.null(humanReadable) || humanReadable==FALSE)
{
paste(x, "bytes")
}
else
{
humanReadable(x, standard=standard, units=units, digits=digits, width=width,
sep=sep, justify=justify)
}
}
is.object_sizes <- function(x)
inherits(x, what="object_sizes")
as.object_sizes <- function(x)
{
if(!is.numeric(x) || any(x<0))
stop("'x' must be a positive numeric vector")
class(x) <- c("object_sizes", "numeric")
x
}
c.object_sizes <- function(..., recursive=FALSE)
{
x <- NextMethod()
if(is.numeric(x)) class(x) <- c("object_sizes", "numeric")
x
}
object.size <- function(...)
{
.Deprecated(old="gdata::object.size",
new="object_size() or utils::object.size()")
object_size(...)
}
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