Shell Programming and Scripting

df "$1" | { 
read; read fs blocks used avail usedpc mount
pc=$(( ${usedpc%\%} * 60 / 100 ))
echo $pc
rem=$(( 57 - $pc ))
printf "|\e[41m%${pc}s\e[0m%${rem}s|\n" " " " "
}

#!/usr/bin/ksh
clear
echo
echo
echo "\t\t\t\t                   **** Critical File system at : `date` **** "
echo
echo "                                            Hostname              Owner        Capacity         Free Space        Path " 
echo "                                        ----------------------------------------------------------------------------------------------------"

cat  crtl_fs |awk -F\t '{print $1}' >host_srvs1
cat  crtl_fs |awk -F\t '{print $2}' >host_srvs2
cat  crtl_fs |awk -F\t '{print $3}' >host_srvs3
cat  crtl_fs |awk -F\t '{print $4}' >host_srvs4
cat  crtl_fs |awk -F\t '{print $5}' >host_srvs5
cat  crtl_fs |awk -F\t '{print $6}' >host_srvs6

arr_set(){
file_name='host_srvs'$1''
k=0
while read file_line
do
f=$1
if [ $f -eq 1 ]
then
arry1[$k]=${file_line}
fi
if [ $f -eq 2 ]
then
arry2[$k]=${file_line}
fi
if [ $f -eq 3 ]
then
arry3[$k]=${file_line}
fi
if [ $f -eq 4 ]
then
arry4[$k]=${file_line}
fi
if [ $f -eq 5 ]
then
arry5[$k]=${file_line}
fi
if [ $f -eq 6 ]
then
arry6[$k]=${file_line}
fi
k=`expr $k + 1`
done < ${file_name}
}
arr_set 1  
arr_set 2
arr_set 3
arr_set 4
arr_set 5
arr_set 6
##########################
RED="echo \\033[0;31m\c"
NORMAL="echo  \\033[0;39m"
GREEN="echo  \\033[0;32m\c"
BLUE="echo \\033[0;35m\c" 
n=0
while [ $n -lt $k ]
do
i=${arry3[$n]}
sun=`echo "${arry1[$n]}" |awk '{print $1}'`
if [ "$sun" == "Sun" -o $sun == "TABS" ]
then 
is=`rsh ${arry2[$n]} 2>/dev/null df -k $i | awk '{print $5}' | cut -f1 -d% | grep -v capacity`
else
is=`rsh ${arry2[$n]} 2>/dev/null df -k $i | awk '{print $5}' | cut -f1 -d% | grep -v capacity`
fi
if [ "$is" -ge "${arry6[$n]}"  ]
                        then
                                $RED
echo "\t\t\t\t\t\t  ${arry2[$n]}\t\t${arry1[$n]}\t\t$is %\t\t`rsh ${arry2[$n]} 2>/dev/null df -h $i | awk '{print $4}' | cut -f1 -dG | grep -v avail` "GB"\t\t$i \c"
                                $NORMAL
fi

n=`expr $n + 1 `
done 
echo
rm  host_srvs1 host_srvs2 host_srvs3 host_srvs4 host_srvs5 host_srvs6 2>/dev/null
echo  "\n\t\t\t\t\t\t\t  ****  Press \"Enter To \"  Quit ****"
read a