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# Completion setup for bd()
_bd() {
# Only makes sense for the first argument
((COMP_CWORD == 1)) || return 1
# Build a list of dirnames in $PWD
local -a dirnames
IFS=/ read -d '' -a dirnames < <(printf '%s\0' "${PWD#/}")
# Remove the last element in the array (the current directory)
((${#dirnames[@]})) || return 1
dirnames=("${dirnames[@]:0:$((${#dirnames[@]}-1))}")
# Add the matching dirnames to the reply
local dirname
for dirname in "${dirnames[@]}" ; do
[[ $dirname == "${COMP_WORDS[COMP_CWORD]}"* ]] || continue
COMPREPLY=("${COMPREPLY[@]}" "$(printf %q "$dirname")")
done
}
complete -F _bd bd
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