01302023.md

0. Arithmetic expression to calculate the median value from an array (in Bash):

#!/usr/bin/bash

declare -a inputs=($@) # Stores all stdin arguments as an array.
declare -i sum=0 len="${#inputs[@]}"

for e in "${inputs[@]}"; then
  sum=$((sum + $e))
fi

declare -i avg=$(($sum / $len))
echo "Average value approximately: $avg"