UNIX for Dummies Questions & Answers

Hi,

I am new to unix scripting. I have written a java program which will initialize a sftp connection and copy a unix script from my machine to a remote server. Then i initalized an ssh connection and i executed the script. This script contains a sequnece of commands and one of them is to untar a tar file using tar xvf command. The tar file is huge and it takes 20 seconds to untar. Before the tar finishes its job the other commands continue their execution. When i see the untar output it contains only very few files. How to wait for tar to complete its action.

I tried the following :

1. Run the script in backgroup
2. Used && for sequential execution
3. Used sleep

Unless you are doing something odd or deliberately using "&" or "|" then all commands in a script will execute in sequence.

I suggest you post the script you are using.

BTW, you don't need to send the script, you can just provide ssh with the commands as stdin.

I solved the tar file problem. Thanks for your suggestion. That was a brilliant idea. I didn't know that i can use stdin for SSH ...

<Vinoth>