sha1 {digest} | R Documentation |
Calculate a SHA1 hash of an object. The main difference with
digest(x, algo = "sha1")
is that sha1()
will give the same hash on
32-bit and 64-bit systems. Note that the results depends on the setting of
digits
and zapsmall
when handling floating point numbers. The
current defaults keep digits
and zapsmall
as large as possible
while maintaining the same hash on 32 bit and 64 bit systems.
sha1(x, digits = 14, zapsmall = 7) ## S3 method for class 'integer' sha1(x, digits = 14, zapsmall = 7) ## S3 method for class 'numeric' sha1(x, digits = 14, zapsmall = 7) ## S3 method for class 'character' sha1(x, digits = 14, zapsmall = 7) ## S3 method for class 'factor' sha1(x, digits = 14, zapsmall = 7) ## S3 method for class 'NULL' sha1(x, digits = 14, zapsmall = 7) ## S3 method for class 'logical' sha1(x, digits = 14, zapsmall = 7) ## S3 method for class 'matrix' sha1(x, digits = 14, zapsmall = 7) ## S3 method for class 'data.frame' sha1(x, digits = 14, zapsmall = 7) ## S3 method for class 'list' sha1(x, digits = 14, zapsmall = 7) ## S3 method for class 'POSIXlt' sha1(x, digits = 14, zapsmall = 7) ## S3 method for class 'POSIXct' sha1(x, digits = 14, zapsmall = 7) ## S3 method for class 'anova' sha1(x, digits = 4, zapsmall = 7)
x |
the object to calculate the SHA1 |
digits |
the approximate number of significant digits in base 10. Will
be converted to a base 16 equivalent. Defaults to |
zapsmall |
the apporixmate negative magnitute of the smallest relevant
digit. Will be converted to a base 2 equivalent. Values smaller than this
number are equivalent to 0. Defaults to |
Thierry Onkelinx