- Determining where a bash function was defined
- bash -ilx
- +++ . /etc/bash_completion.d/dd
- ++++ have dd
- ++++ unset -v have
- ++++ PATH=/usr/local/bin:/usr/bin:/bin:/usr/local/games:/usr/games:/sbin:/usr/sbin:/usr/local/sbin
- set -x
- export PS4='+(${BASH_SOURCE}:${LINENO}): ${FUNCNAME[0]:+${FUNCNAME[0]}(): }'