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need to understand why do i need these line in my script [message #57381]

Tue, 10 June 2003 13:40

sidd
Messages: 130
Registered: May 2003

Senior Member

What is the significance of the following, why these are written on top of my sqlloader script, all it does is it runs a sqloader command in a shell script, why do i need these lines on top of it? i need to understans help me. Thanks..
LINES:
#!/usr/bin/ksh
ORACLE_SID='d618'
export ORACLE_SID
ORACLE_HOME=`cat /etc/oratab&#124grep ^$ORACLE_SID:&#124cut -f2 -d':'`
export ORACLE_HOME
PATH=$ORACLE_HOME/bin:/opt/netscape:$PATH
export PATH
sqlldr u....

please i need to understand this..

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Re: need to understand why do i need these line in my script [message #57383 is a reply to message #57381]

Tue, 10 June 2003 14:09

Sanjay
Messages: 236
Registered: July 2000

Senior Member

In these lines you are setting sys variables to run your sqlldr with out errors.

Line 1 : you are using Korn Shell
Lines 2-3 : setting ORACLE_SID and exporting it
Lines 4-5 : setting ORACLE_HOME and exporting it
Lines 6-7 : setting PATH and exporting it
Line 8 is your SQLLdr command

Cheers.

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Re: need to understand why do i need these line in my script [message #57384 is a reply to message #57383]

Tue, 10 June 2003 14:25

sidd
Messages: 130
Registered: May 2003

Senior Member

How these commands works, i need that buddy, i know what they are doing there, but how they are working, i need that. Thanks for your info. please if you explain if you can,

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Re: need to understand why do i need these line in my script [message #57388 is a reply to message #57384]

Tue, 10 June 2003 23:59

Maaher
Messages: 7065
Registered: December 2001

Senior Member

Well, what's the problem then? How they are working is part of the Korn Shell.

you simply create a few variable pairs and export them to the environment so that the next commands can use them. there's nothing more to it. you probably need the ORACLE_SID, ORACLE_HOME and PATH environmental variables. It's like in DOS, where you can SET variables too.

MHE

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