On Centos7 , when I want to add _comp_ldc.sh it gives me an error. It seems that in centos7 the complete command does not support nosort options
Test
> curl -sLO https://raw.githubusercontent.com/redcursor/btc/master/ldc/_comp_ldc.sh
> source _comp_ldc.sh
-bash: complete: nosort: invalid option name