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Replacing the ipaddress using script

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# 1  
Old 05-04-2011
Replacing the ipaddress using script
Hi all ,
I have written the script but the ip address is not getting replaced correct me i ima wrong


PHP Code:
#!/bin/bash
echo "enetr ip"
read $a
echo $a
b=`grep -o '[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}'  /usr/local/kalyan/mysqlup.sh`
echo "$b"
sed -i 's/'$b'/'$a'/g' /usr/local/kalyan/mysqlup.sh 
in the mysqlup.sh the following line hold the ipaddres which should be replaced with new ipaddress

PHP Code:
scp $OUTPUTLOG root@192.168.70.154[/COLOR]:/usr/local/ 1>/dev/null 2>&1 
Last edited by kalyankalyan; 05-04-2011 at 04:35 AM..
# 2  
Old 05-04-2011
There is an error in syntax of read statement
Code:
read $a

should be
Code:
read a

And your script will work fine.
You don't need grep also.

Code:
sed "s/[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}/$b/g"

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