linux bash array by index code example

Example 1: bash array

# create an array - just assign first value
arrayname[0]='VALUE'

# define an array
declare -a arrayname=(element1 element2 element3)

# get array element at index 
${arrayname[2]}

# get all array elements
${arrayname[@]}

# get array length
${#arrayname[@]}

Example 2: bash list of integers

vals=($(seq 0 0.1 2.5))