#!/bin/bash
#
# Script to get sar statistics#
## sar_stats.sh ##
echo "Enter the number of intervals (seconds) for the sar statistics:"
read int
echo "enter the number of output lines (count) to process:"
read cnt
clear
#set while

    while true; do
    clear
echo "*******************************"
echo "* Choose from the following: *"
echo "*******************************"
echo "* [1] To view process creation statistics *"
echo "* [2] To view I/O and transfer rate statistics *"
echo "* [3] To view paging statistics *"
echo "Press A to quit."
echo "************************"
echo -n "Enter your menu choice [0-15]: "
D=`/bin/date '+%B.%d'`
INT=$int
CNT=$cnt
read mychoice
case $mychoice in
1) echo "process creation statistics";
vmstat $INT $CNT |tee /tmp/sar_proc_stat_$D
echo "This file will be saved to /tmp/sar_pc_stat_$D"
sleep 3 ;;
2) echo "I/O and transfer rate statistics"
iostat $INT $CNT |tee /tmp/sar_IO_TR_stat_$D
echo "This file will be saved to /tmp/sar_IO_TR_stat_$D"
sleep 3 ;;
3) echo "paging statistics"
sar  $INT $CNT |tee /tmp/sar_pag_stat_$D
echo "This file will be saved to /tmp/sar_pag_stat_$D"
sleep 3 ;;
A) #Quit option
    echo You have now quit. Please return to the main menu. 
    exit;;

    *) #Wildcard option
     echo Invalid choice, please make another choice;;

esac
done

command [arguments]

int=$1
cnt=$2
mychoice=$3