These commands in bash allow you to read through files like a book and you can go to a different placeholder

reading_through_files_like_a_book.bash

#going in and out of folders with CD resets the count


function cd() {
  local x2 the_new_dir adir index
  local -i cnt

  if [[ $1 ==  "--" ]]; then
    cd_func4 $OLDPWD
    return 1
  fi

  the_new_dir=$1
  [[ -z $1 ]] && the_new_dir=$HOME

  if [[ ${1:0:1} == '-' ]]; then
    if [ ${#1} -gt 1 ]; then

        echo "$(cat /Users/username/desktop/macbook_pro_scripts/echo_files/test_3.txt | head -${1:1:10} | tail -1)" > /Users/username/desktop/macbook_pro_scripts/echo_files/recently_opened.txt
        echo "$(cat /Users/username/desktop/macbook_pro_scripts/echo_files/test_3.txt | head -${1:1:10} | tail -1)"
        sed -i '' 's!~!/Users/username!g' /Users/username/desktop/macbook_pro_scripts/echo_files/recently_opened.txt
        cd "$(cat /Users/username/desktop/macbook_pro_scripts/echo_files/recently_opened.txt)"
        return 1
    else
        coloredEcho 'cdhistory /vimcdhistory' green 
        cat -n /Users/username/desktop/macbook_pro_scripts/echo_files/test_3.txt
        return 1
    fi
    #

  fi

  #
  # '~' has to be substituted by ${HOME}
  [[ ${the_new_dir:0:1} == '~' ]] && the_new_dir="${HOME}${the_new_dir:1}"

  #
  # Now change to the new dir and add to the top of the stack
  pushd "${the_new_dir}" > /dev/null
  [[ $? -ne 0 ]] && return 1
  the_new_dir=$(pwd)

  #
  # Trim down everything beyond 11th entry
  popd -n +11 2>/dev/null 1>/dev/null

  #
  # Remove any other occurence of this dir, skipping the top of the stack
  for ((cnt=1; cnt <= 10; cnt++)); do
    x2=$(dirs +${cnt} 2>/dev/null)
    [[ $? -ne 0 ]] && return 0
    [[ ${x2:0:1} == '~' ]] && x2="${HOME}${x2:1}"
    if [[ "${x2}" == "${the_new_dir}" ]]; then
      popd -n +$cnt 2>/dev/null 1>/dev/null
      cnt=cnt-1
    fi
  done
  
  
  marsh=$(echo $PWD)
  if [ "${#marsh}" -gt 30 ]; then 
    echo $PWD >> /Users/username/desktop/macbook_pro_scripts/echo_files/test_3.txt
    echo $PWD >> /Users/username/desktop/macbook_pro_scripts/echo_files/cd_history.txt
  fi


  length_="$(cat /Users/username/desktop/macbook_pro_scripts/echo_files/test_3.txt | wc -l)"
  length_="${length_#"${length_%%[![:space:]]*}"}"
  length_="${length_%"${length_##*[![:space:]]}"}"
  echo -n 0 > /Users/username/desktop/macbook_pro_scripts/echo_files/count_open.txt
  ls -1U $1 | wc -l > /Users/username/Desktop/macbook_pro_scripts/echo_files/other_test.txt  
  sed -i -e 's/ //g' /Users/username/Desktop/macbook_pro_scripts/echo_files/other_test.txt


  if [ "$length_" -gt 22 ]; then
    sed -i '' '1d' /Users/username/desktop/macbook_pro_scripts/echo_files/test_3.txt
    sed -i '' '$!N; /^\(.*\)\n\1$/!P; D' /Users/username/desktop/macbook_pro_scripts/echo_files/cd_history.txt
    sed -i '' '$!N; /^\(.*\)\n\1$/!P; D' /Users/username/desktop/macbook_pro_scripts/echo_files/test_3.txt
    


  fi

  


  return 0
}



# this is the variable that allows for reading of the next file 

# if you don't have pygmentize installed you can use cat instead

function 00(){
    if [[ $# -eq 0 ]]; then
        current_folder_count=$(cat /Users/username/Desktop/macbook_pro_scripts/echo_files/other_test.txt)
        current_folder_count=$(($current_folder_count + 0))
        #echo $current_folder_count
        second_count=$(cat /Users/username/desktop/macbook_pro_scripts/echo_files/count_open.txt)
        second_count=$((second_count+1))
        echo -n $second_count > /Users/username/desktop/macbook_pro_scripts/echo_files/count_open.txt
        #echo $second_count
        echo "$(find . -type f -maxdepth 1 -not -path '*/\.*' | sort | head -$second_count | tail -1)"
        pygmentize "$(find . -type f -maxdepth 1 -not -path '*/\.*' | sort | head -$second_count | tail -1)"
        if ((second_count < current_folder_count));
        then
          echo 'so far not exceeded'
        else 
          echo 'exceeded'
        fi
    else 
    fi
    
}



# markers in the folder, reset to the 1st file and so on... 

function 01() {
  echo -n 1 > /Users/username/desktop/macbook_pro_scripts/echo_files/count_open.txt
  # attach the number to the file
  echo "$(find . -type f -maxdepth 1 -not -path '*/\.*' | sort | head -1 | tail -1)"
  pygmentize "$(find . -type f -maxdepth 1 -not -path '*/\.*' | sort | head -1 | tail -1)"
}


function 02() {
  echo -n 2 > /Users/username/desktop/macbook_pro_scripts/echo_files/count_open.txt
  # attach the number to the file
  echo "$(find . -type f -maxdepth 1 -not -path '*/\.*' | sort | head -2 | tail -1)"
  pygmentize "$(find . -type f -maxdepth 1 -not -path '*/\.*' | sort | head -2 | tail -1)"
}



function 03() {
  echo -n 3 > /Users/username/desktop/macbook_pro_scripts/echo_files/count_open.txt
  # attach the number to the file
  echo "$(find . -type f -maxdepth 1 -not -path '*/\.*' | sort | head -3 | tail -1)"
  pygmentize "$(find . -type f -maxdepth 1 -not -path '*/\.*' | sort | head -3 | tail -1)"
}



function 04() {
  echo -n 4 > /Users/username/desktop/macbook_pro_scripts/echo_files/count_open.txt
  # attach the number to the file
  echo "$(find . -type f -maxdepth 1 -not -path '*/\.*' | sort | head -4 | tail -1)"
  pygmentize "$(find . -type f -maxdepth 1 -not -path '*/\.*' | sort | head -4 | tail -1)"
}



function 05() {
  echo -n 5 > /Users/username/desktop/macbook_pro_scripts/echo_files/count_open.txt
  # attach the number to the file
  echo "$(find . -type f -maxdepth 1 -not -path '*/\.*' | sort | head -5 | tail -1)"
  pygmentize "$(find . -type f -maxdepth 1 -not -path '*/\.*' | sort | head -5 | tail -1)"
}



function 06() {
  echo -n 6 > /Users/username/desktop/macbook_pro_scripts/echo_files/count_open.txt
  # attach the number to the file
  echo "$(find . -type f -maxdepth 1 -not -path '*/\.*' | sort | head -6 | tail -1)"
  pygmentize "$(find . -type f -maxdepth 1 -not -path '*/\.*' | sort | head -6 | tail -1)"
}



function 07() {
  echo -n 7 > /Users/username/desktop/macbook_pro_scripts/echo_files/count_open.txt
  # attach the number to the file
  echo "$(find . -type f -maxdepth 1 -not -path '*/\.*' | sort | head -7 | tail -1)"
  pygmentize "$(find . -type f -maxdepth 1 -not -path '*/\.*' | sort | head -7 | tail -1)"
}



function 08() {
  echo -n 8 > /Users/username/desktop/macbook_pro_scripts/echo_files/count_open.txt
  # attach the number to the file
  echo "$(find . -type f -maxdepth 1 -not -path '*/\.*' | sort | head -8 | tail -1)"
  pygmentize "$(find . -type f -maxdepth 1 -not -path '*/\.*' | sort | head -8 | tail -1)"
}



function 09() {
  echo -n 9 > /Users/username/desktop/macbook_pro_scripts/echo_files/count_open.txt
  # attach the number to the file
  echo "$(find . -type f -maxdepth 1 -not -path '*/\.*' | sort | head -9 | tail -1)"
  pygmentize "$(find . -type f -maxdepth 1 -not -path '*/\.*' | sort | head -9 | tail -1)"
}



function 10() {
  echo -n 10 > /Users/username/desktop/macbook_pro_scripts/echo_files/count_open.txt
  # attach the number to the file
  echo "$(find . -type f -maxdepth 1 -not -path '*/\.*' | sort | head -10 | tail -1)"
  pygmentize "$(find . -type f -maxdepth 1 -not -path '*/\.*' | sort | head -10 | tail -1)"
}

function 10() {
  echo -n 10 > /Users/username/desktop/macbook_pro_scripts/echo_files/count_open.txt
  # attach the number to the file
  echo "$(find . -type f -maxdepth 1 -not -path '*/\.*' | sort | head -11 | tail -1)"
  pygmentize "$(find . -type f -maxdepth 1 -not -path '*/\.*' | sort | head -11 | tail -1)"
}


function 11() {
  echo -n 11 > /Users/username/desktop/macbook_pro_scripts/echo_files/count_open.txt
  # attach the number to the file
  echo "$(find . -type f -maxdepth 1 -not -path '*/\.*' | sort | head -12 | tail -1)"
  pygmentize "$(find . -type f -maxdepth 1 -not -path '*/\.*' | sort | head -12 | tail -1)"
}


function 12() {
  echo -n 12 > /Users/username/desktop/macbook_pro_scripts/echo_files/count_open.txt
  # attach the number to the file
  echo "$(find . -type f -maxdepth 1 -not -path '*/\.*' | sort | head -13 | tail -1)"
  pygmentize "$(find . -type f -maxdepth 1 -not -path '*/\.*' | sort | head -13 | tail -1)"
}


function 13() {
  echo -n 13 > /Users/username/desktop/macbook_pro_scripts/echo_files/count_open.txt
  # attach the number to the file
  echo "$(find . -type f -maxdepth 1 -not -path '*/\.*' | sort | head -14 | tail -1)"
  pygmentize "$(find . -type f -maxdepth 1 -not -path '*/\.*' | sort | head -14 | tail -1)"
}


function 14() {
  echo -n 14 > /Users/username/desktop/macbook_pro_scripts/echo_files/count_open.txt
  # attach the number to the file
  echo "$(find . -type f -maxdepth 1 -not -path '*/\.*' | sort | head -15 | tail -1)"
  pygmentize "$(find . -type f -maxdepth 1 -not -path '*/\.*' | sort | head -15 | tail -1)"
}