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\alias{as.character.hexmode}
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\alias{as.character.hexmode}
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\alias{[.hexmode}
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\alias{[.hexmode}
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\alias{!.hexmode}
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\alias{!.hexmode}
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\alias{|.hexmode}
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\alias{|.hexmode}
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\alias{&.hexmode}
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\alias{&.hexmode}
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%% FIXME: xor() is not generic (yet?).
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\alias{xor.hexmode}
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%% \alias{xor.hexmode}
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\alias{hexmode}
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\alias{hexmode}
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\title{Display Numbers in Hexadecimal}
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\title{Display Numbers in Hexadecimal}
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\description{
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\description{
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  Convert or print integers in hexadecimal format, with as many digits
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  Convert or print integers in hexadecimal format, with as many digits
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  as are needed to display the largest, using leading zeroes as
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  as are needed to display the largest, using leading zeroes as
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  \code{as.hexmode} can convert integers (of \link{type} \code{"integer"} or
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  \code{as.hexmode} can convert integers (of \link{type} \code{"integer"} or
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  \code{"double"}) and character vectors whose elements contain only
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  \code{"double"}) and character vectors whose elements contain only
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  \code{0-9}, \code{a-f}, \code{A-F} (or are \code{NA}) to class
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  \code{0-9}, \code{a-f}, \code{A-F} (or are \code{NA}) to class
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  \code{"hexmode"}.
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  \code{"hexmode"}.
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  There is a \code{\link{!}} method and \code{\link{|}}, \code{\link{&}} and
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  There is a \code{\link{!}} method and methods for \code{\link{|}} and
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  \code{\link{&}}:
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  \code{\link{xor}} methods: these recycle their arguments to the
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  %% FIXME: xor() is not generic (yet?).
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  %% and \code{\link{xor}}:
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  length of the longer and then apply the operators bitwise to each
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  these recycle their arguments to the length of the longer and then
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  element.
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  apply the operators bitwise to each element.
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}
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}
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\seealso{
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\seealso{
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  \code{\link{octmode}}, \code{\link{sprintf}} for other options in
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  \code{\link{octmode}}, \code{\link{sprintf}} for other options in
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  converting integers to hex, \code{\link{strtoi}} to convert hex
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  converting integers to hex, \code{\link{strtoi}} to convert hex
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  strings to integers.
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  strings to integers.