I hereby claim:
- I am thomvh on github.
- I am thvmh (https://keybase.io/thvmh) on keybase.
- I have a public key ASBGnhRpFWBQU9ELhxCUcLgLBO78nfg7OQQQ4sjsi96FsAo
To claim this, I am signing this object:
I hereby claim:
To claim this, I am signing this object:
#!/usr/bin/env bash | |
cdr2mask () | |
{ | |
# Number of args to shift, 255..255, first non-255 byte, zeroes | |
set -- $(( 5 - ($1 / 8) )) 255 255 255 255 $(( (255 << (8 - ($1 % 8))) & 255 )) 0 0 0 | |
[[ $1 -gt 1 ]] && shift ${1} || shift | |
echo "${1-0}.${2-0}.${3-0}.${4-0}" | |
} |