shortenpath for zsh/bash

examples.txt

/u/local: pwd                                                                                                                                        b3bb610
/usr/local

~/P/proccli: pwd                                                                                                                         master da99d97 2↓ ✽
/Users/rob/Projects/proccli

shortenpath.sh

# vim-like shortenpath() function
# modified from http://stackoverflow.com/questions/25945993/how-to-get-a-vim-tab-like-short-path-in-bash-script
shortenpath() {
  print -n "${1}" | sed -e "s|${HOME}|~|" -e 's:\(/*\)\([^\.]\)[^/]*/:\1\2/:g'
}

usage.sh

shortenpath "$(pwd)"