raw2hex | R Documentation |
raw2hex
convers a raw vector into hexadecimal representation
raw2hex(what, sep, upper = FALSE)
what |
raw vector |
sep |
optional separator string |
upper |
logical, if |
If sep
is omitted or NULL
then the resulting character
vector will have as many elements as the raw vector. Otherwise the
elements are concatenated using the specified separator into one
character string. This is much more efficient than using
paste(raw2hex(x), collapse=sep)
, but has the same effect.
Character vector with the hexadecimal representation of the raw vector.
Simon Urbanek
raw2hex(PKI.digest(raw(), "SHA1"), "")
raw2hex(PKI.digest(raw(), "MD5"), ":")
## this is jsut a performance comparison and a test that
## raw2hex can handle long strings
x <- as.raw(runif(1e5) * 255.9)
system.time(h1 <- raw2hex(x, " "))
system.time(h2 <- paste(raw2hex(x), collapse=" "))
stopifnot(identical(h1, h2))
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