How to make my script wait till the previous command completes?

Question

I have the following Perl script code to install oracle DB application.

system("./runInstaller -silent -responsefile filename.rsp");
if($?==0)
{
   //perform some operation type1;
}
else
{
   //perform some operation type2;
}

In this code the execution of if block should be performed after the complete installation of the application. But the script runs parallel to the installer.

I have used both `` and exec instead of system, but none works as needed.

Help me in solving this.

Thanks in advance.

system waits for the process it creatures to exit before returning. That means runInstaller is returning before you think it does. — ikegami
– ikegami, Commented Mar 6, 2014 at 13:39

PaDi · Accepted Answer · 2014-03-12 04:06:36Z

2

Using of -waitforcompletion option of runInstaller makes the script to wait till it complete execution. So now:

system("./runInstaller -silent -responseFile filename.rsp");

will become

system./runInstaller -silent -waitforcompletion -responseFile filename.rsp");

For more info on runInstaller Click here

answered Mar 12, 2014 at 4:06

PaDi

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