mark and jump commands for faster navigation

.zshrc-mark-jump

# Add `. ~/.zshrc-mark-jump` to ~/.zshrc for faster navigation with mark and jump

export MARKPATH=$HOME/.marks
function jump { 
  cd -P "$MARKPATH/$1" 2>/dev/null || echo "No such mark: $1"
}
function mark { 
  mark=$1
  if [ -z "$mark" ]; then marks; return; fi
  if [ "$mark" = "." ]; then mark=$(basename "$PWD"); fi
  mkdir -p "$MARKPATH"; ln -s "$(pwd)" "$MARKPATH/$mark"
}
function unmark { 
  rm -i "$MARKPATH/$1"
}
function marks {
  ls -l "$MARKPATH" | tail -n +2 | sed 's/  / /g' | cut -d' ' -f9- | awk -F ' -> ' '{printf "%-10s\n%s\n", $1, $2}' \
  | while IFS= read -r f; do
    read -r t
    if [ -d "$t" ]; then
      printf "\033[0;35m$f\033[0m -> \033[0;34m$t\033[0m\n"
    else
      printf "\033[0;35m$f\033[0m -> \033[0;31m$t\033[0m\n"
    fi
  done
}

# autocompletion
function _completemarks {
  reply=($(ls $MARKPATH))
}
compctl -K _completemarks jump
compctl -K _completemarks unmark

alias m=mark
alias j=jump