how to sum each column in a file using bash

Question

I have a file on the following format

id_1,1,0,2,3,lable1
id_2,3,2,2,1,lable1
id_3,5,1,7,6,lable1

and I want the summation of each column ( I

Answer 1

A modified version based on the solution you linked:

#!/bin/bash

colnum=6
filename="temp"

for ((i=2;i<$colnum;++i))
do
  sum=$(cut -d ',' -f $i $filename | paste -sd+ | bc)
  echo -n $sum','
done
head -1 $filename | cut -d ',' -f $colnum