random.sh

#!/bin/bash
#
declare -i MAX=0
declare -i MIN=0

for I in {1..10}; do
  MYRAND=$RANDOM
  [ $I -eq 1 ] && MIN=$MYRAND
  if [ $I -le 9 ]; then
    echo -n "$MYRAND,"
  else
    echo "$MYRAND"
  fi
  [ $MYRAND -gt $MAX ] && MAX=$MYRAND
  [ $MYRAND -lt $MIN ] && MIN=$MYRAND
done

echo $MAX, $MIN