jump for fish: marks function

mark.fish

function marks
  if test (count $argv) -gt 0
    echo "Usage: marks"
  else
    set -l file_list (command ls $MARKPATH)
    if test (count $file_list) -eq 0
      echo "No marks currently defined."
    else
      set -l mark_list
      for file in $file_list
        if test -d $MARKPATH/$file -a -L $MARKPATH/$file
          set mark_list $mark_list $file
        end
      end
      if test (count $mark_list) -eq 0
        echo "No marks currently defined."
      else
        for mark_name in $mark_list
            echo -e "\e[35m$mark_name\e[0m -> "(readlink $MARKPATH/$mark_name)
        end
      end
    end
  end
end