Shell Programming and Scripting

mpath major,minor number 
ls: /dev/mapper/mpathp1: No such file or directory 
raw device output 
253,44 
echo  raw device output 
sudo raw -q /dev/raw/raw

#!/bin/bash 
        echo  "**** To terminate at any point press [CTRL + C] ****" 
 
        read -p " What is the beggining mpath Number: " CURR_MP 
        read -p " What is the ending mpath Number: " END_MP 
 
 
#       read -p " What is the begin mpath number: " NUM 
 
        echo -e "\n" 
 
if [ "$#" -eq 2 ]; then 
        # mpath info supplied from command line 
        CURR_MP=$1 
        END_MP=$2 
fi 
 
 
while [ $CURR_MP -le $END_MP ]; 
do 
echo " " 
  perl -ne '/\bmpath${num}\b/ and print' multipath 
echo mpath${num} major,minor number 
ls -la /dev/mapper/mpath${num}p1 | awk '{print $5.$6 }' 
echo  raw device output 
sudo raw -q /dev/raw/raw22 | awk '{ print $5 $7}' 
 
   echo echo  raw device output  
   echo sudo raw -q /dev/raw/raw${num}   
   echo $MPATH 
 
   CURR_MP=$((CURR_MP+1)) 
   NUM=$((NUM+1)) 
done 
 
echo  -e "\n"

CURR_MP=$(($CURR_MP+1)) 
NUM=$(($NUM+1))

VAR=` sudo raw -q /dev/raw/raw${num}`

echo $VAR

sudo raw -q /dev/raw/raw1 
/dev/raw/raw1:  bound to major 253, minor 30

VAR = "`sudo raw -q /dev/raw/raw${NUM}`" 
echo $VAR

VAR=`sudo raw -q /dev/raw/raw${NUM}`