Backup1

#Go to bin directory
cd /bin
#Print out bin files
#ls /bin

#Storing bin files names on var
# files="$(ls /bin)"

#Char parameter
parameter=$1
char=${parameter:0:1}

#Consonants
consonants=( b, c, d, f, g, h, j, k, l, m, n, p, q, r, s, t, v, w, x, y, z)

#Storing bin files names into an array
array=( $(ls .) )

# echo "${array[10]}"

# echo $char

if [ $char ]
then
    for file in ${array[@]}
    do
        #If filename string is greather than 3
        if [ ${#file} -gt 3 ]
        then
            #If third char is equal to char var
            if [ ${file:2:1} = $char ]
            then
                echo $file
            fi
        fi
    done
else
    echo "No ha enviado un parametro"
fi