Encode/decode data into/from base64 encoding.

Source: R/base64.R

The function base64_encode() encodes a file or a raw vector into the base64 encoding. The function base64_decode() decodes data from the base64 encoding.

base64_encode(x)

base64_decode(x, from = NA)

Arguments

x

For base64_encode(), a raw vector. If not raw, it is assumed to be a file or a connection to be read via readBin(). For base64_decode(), a string.

from

If provided (and x is not provided), a connection or file to be read via readChar(), and the result will be passed to the argument x.

Value

base64_encode() returns a character string. base64_decode() returns a raw vector.

Examples

xfun::base64_encode(as.raw(1:10))
#> [1] "AQIDBAUGBwgJCg=="
logo = xfun:::R_logo()
xfun::base64_encode(logo)
#> [1] "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"
xfun::base64_decode("AQIDBAUGBwgJCg==")
#>  [1] 01 02 03 04 05 06 07 08 09 0a