ls-path

#!/bin/bash
# or
#!/bin/ksh
# or
#!/bin/zsh
##
## List specified files and all parent directories
## Copyright (c) 2013 SATOH Fumiyasu @ OSS Technology Corp., Japan
##
## License: GNU General Public License version 3
##

set -u

typeset -a opts
while [[ $# -gt 0 ]]; do
  [[ -n "${1##-*}" ]] && break
  opts=(${opts[@]+"${opts[@]}"} "$1")
  shift
done

for fname in "$@"; do
  if [[ -n "${fname##/*}" ]]; then
    ## Convert a relative path to an absolute path
    fname="${cwd=`pwd`}/$fname"
    ## "/path/to/." -> "/path/to/./"
    fname="${fname/%\/.//./}"
    ## "/path/./to/./dir" -> "/path/to/dir"
    fname="${fname//\/.\///}"
    ## "/path/to/.." -> "/path/to/../"
    fname="${fname/%\/..//../}"
    while :; do
      ## "/path/to/../dir" -> "/path/to"
      fname_left="${fname%%/../*}"
      [[ "$fname_left" = "$fname" ]] && break
      ## "/path/to/../dir" -> "dir"
      fname_right="${fname#*/../}"
      ## -> "/path/dir"
      fname="${fname_left%/*}/$fname_right"
    done
  fi
  ## "/path/to/dir/" -> "/path/to/dir"
  fname="${fname%/}"

  while :; do
    echo "${fname:-/}"
    fname_tmp="${fname%/*}"
    [[ "$fname_tmp" = "$fname" ]] && break
    fname="$fname_tmp"
  done
done \
|sort -u \
|xargs ls -d ${opts[@]+"${opts[@]}"} --