That works, but I'm concerned with the part of the original post that says " I want to change some of the bits and get a hex back"
I'm hoping that the OP's plan to "change bits" is not realized by changing the string representation, but rather changing the bit representation (using << and >> and/or bitwise operators). S. On Friday, December 4, 2015 at 4:49:09 AM UTC-8, Mauro wrote: > > This works: > > julia> a = 0b10101111 > 0xaf > > julia> parse("0b"*bin(a)) > 0xaf > > but maybe there are better ways. > > On Fri, 2015-12-04 at 13:33, Martin Somers <somers...@gmail.com > <javascript:>> wrote: > > Just wondering binary to hex > > a = 0b10101111 > > bin(a) >>>>> "10101111" > > > > this results in a string that can be accessed with [] notation > > > > is there an easy way to go backwards I want to change some of the bits > and > > get a hex back > > > > M >