cd .. with less fuss

cd-lessfuss.sh

# cd .. with multiple jumps or jump up to name
..() {
  if [ "-" = "$1" ]; then cd -; return; fi; # return to previous directory
  if [ "/" = "$1" ]; then cd /; pwd; return; fi; # jump to root
  if [ -z "$1" ]; then cd ../; pwd; return; fi; # jump up one
  declare -i count=$1; # get a jump count
  if [ $count -eq 0 ]; then # wasn't a number, look for name
    local go=$(while [ "/" != "$PWD" ] && [ "$(basename $PWD)" != "$1" ]; do cd ..; done; pwd);
    # jump up to named directory, or don't move if name wasn't found
    if [ "/" != "$go" ]; then cd $go; else return; fi;
  else
    if [ $count -gt 255 ]; then count=1; fi; # sensible limits
    # jump up count directories
    cd $(for i in $(eval echo {1..$count}); do echo -n "../"; done);
  fi;
  pwd; # behave like "cd -" by echoing current directory
}