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@stephen-soltesz
Created July 27, 2017 21:58
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cd_func ()
{
local x2 the_new_dir adir index
local -i cnt
if [[ $1 == "--" ]]; then
dirs -v
return 0
fi
the_new_dir=$1
[[ -z $1 ]] && the_new_dir=$HOME
if [[ ${the_new_dir:0:1} == '-' ]]; then
#
# Extract dir N from dirs
index=${the_new_dir:1}
[[ -z $index ]] && index=1
adir=$(dirs +$index)
[[ -z $adir ]] && return 1
the_new_dir=$adir
fi
#
# '~' has to be substituted by ${HOME}
[[ ${the_new_dir:0:1} == '~' ]] && the_new_dir="${HOME}${the_new_dir:1}"
#
# Now change to the new dir and add to the top of the stack
pushd "${the_new_dir}" > /dev/null
[[ $? -ne 0 ]] && return 1
the_new_dir=$(pwd)
#
# Trim down everything beyond 11th entry
popd -n +11 2>/dev/null 1>/dev/null
#
# Remove any other occurence of this dir, skipping the top of the stack
for ((cnt=1; cnt <= 10; cnt++)); do
x2=$(dirs +${cnt} 2>/dev/null)
[[ $? -ne 0 ]] && return 0
[[ ${x2:0:1} == '~' ]] && x2="${HOME}${x2:1}"
if [[ "${x2}" == "${the_new_dir}" ]]; then
popd -n +$cnt 2>/dev/null 1>/dev/null
cnt=cnt-1
fi
done
return 0
}
alias cd=cd_func
if [[ $BASH_VERSION > "2.05a" ]]; then
# ctrl+w shows the menu
bind -x "\"\C-w\":cd_func -- ;"
fi
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