#!/bin/bash

ARRAY=($(ls *.txt))
COUNT=0
echo -e "FILE NAME \t WRITEABLE"
for FILE in "${ARRAY[@]}"
do
    echo -n $FILE
    echo -n "[${#ARRAY[$COUNT]}]"
    if [ -w "$FILE" ]; then
        echo -e "\t YES"
    else
        echo -e "\t NO"
    fi

    let COUNT++
done