SHELL

loop from array bash

#!/bin/bash
# declare an array called array and define 3 values
array=( one two three )
for i in "${array[@]}"
do
	echo $i
done

array and for loop bash

myArray=('Apple' 'Banana' 'Orange')
for i in "${myArray[@]}";
do
  echo $i
done

loop over array of strings bash

## declare an array variable
declare -a arr=("element1" "element2" "element3")

## now loop through the above array
for i in "${arr[@]}"
do
   echo "$i"
   # or do whatever with individual element of the array
done

# You can access them using echo "${arr[0]}", "${arr[1]}" also

bash for loop string array

## declare an array variable
declare -a arr=("element1" "element2" "element3")

## now loop through the above array
for i in "${arr[@]}"
do
   echo "$i"
   # or do whatever with individual element of the array
done

Bash script Array + For loop

month=("JAN" "FEB" "MAR" "APR" "MAY" "JUN")

for i in ${month[@]}
do
        echo -e "Month name is: c"
        echo "$i"
done
        echo
        echo -e "Total Month are: c"
        echo "${#month[@]}"
        echo

bash array and for loop

ss="abcdefghi"
my_array=( `echo $ss | grep -o . ` )

### without for loop ###########
declare -a NewArray=("${my_array[@]}")
echo ${NewArray[@]}

########### using for loop #################
for i in "${my_array[@]}"
do
     new_array+=($i)
done

for i in "${new_array[@]}"
do
	echo $i
done

Bash script using input to iterate through array

echo -e "Enter value between 0-5: c"
read -r readusr

month=("JAN" "FEB" "MAR" "APR" "MAY" "JUN")

echo -e "User chosen month is: c"
echo ${month[$readusr]}

echo -e "All months are: c"
echo ${month[@]}

echo -e "Numbers of months are: c"
echo ${#month[@]}