Shell Programming and Scripting

#!/bin/sh
set -x
mountpoint=`df -kh|grep \oraarch|awk '{ print$4 " " $5 }'`
if [ $mountpoint ge 20 ]; then
echo "GoldenGate filesystem is full.launcing RMAN"
rman target /
show all;
backup archivelog all delete input;
fi

/dev/mapper/vg01-lvoraarch       98G  184M   93G   1% /oraarch

./rman_backup.sh: line 4: [: too many arguments

if [ $mountpoint -ge 20 ]; then

if [ $mountpoint ge 20 ]; then

++ df -kh
++ grep oraarch
++ awk '{ print$4 " " $5 }'
+ mountpoint='
1% /oraarch'
+ '[' 1% /oraarch -ge 50 ']'
./rman_backup.sh: line 4: [: too many arguments

mountpoint=(df -kh|grep \oraarch|awk '{ print$4 " " $5 }')
threshold=20
if [ $mountpoint -gt $threshold ]; then

./rman_backup.sh: line 3: syntax error near unexpected token `|'
./rman_backup.sh: line 3: `mountpoint=(df -kh|grep \oraarch|awk '{ print$4 " " $5 }')'

 mountpoint=$(df -h /home | awk -F' |%' '{print $17}' | tail -1)

df -h /home | awk -F' |%' '{print $17}' | tail -1

if [ $mountpoint -ge 20 ]; then echo "GoldenGate filesystem is full.launching RMAN" rman target / show all backup archivelog all delete input fi