Shell Programming and Scripting

#!/bin/bash

instance=$1
total=$2

div=$(( total / instance ))
diff=$(( total % instance ))

for (( i=1; i <= $instance; i++ ))
do
    start=$(( ((i-1)*div) + 1 ))
    end=$(( div * i ))
    echo "$start - $end"
done

if [ $diff -ne 0 ]; then
  start=$(( ( i * div ) + 1 ))
  end=$(( (i*div)+diff ))
  echo "$start - $end"
fi


# END

$ ./kkk.sh 5 65
1 - 13
14 - 26
27 - 39
40 - 52
53 - 65

echo "5 52" | awk '{s=int($2/$1);r=$2-s*$1;for (i=0;i<$1;i++) {for (j=0;j<s;j++) printf "%s ",i*10+j;print ""};for (i=0;i<r;i++) printf "%s ",i+s*$1;print ""}'
0 1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16 17 18 19
20 21 22 23 24 25 26 27 28 29
30 31 32 33 34 35 36 37 38 39
40 41 42 43 44 45 46 47 48 49
50 51

echo "5 52" | awk '{
	s=int($2/$1)
	r=$2-s*$1
	for (i=0;i<$1;i++) 
		{
		for (j=0;j<s;j++)
			printf "%s ",i*10+j
			print ""
		}
	for (i=0;i<r;i++) 
		printf "%s ",i+s*$1
		print ""
	}'