Re: BASH Scripting

On Tue, Mar 18, 2003 at 05:17:08PM -0000, David Nithakorne wrote:
> I am trying to set the value of SIDS in the following script to
> something other than "". It seems that once out of the do/done block the
> value od $SIDS reverts back to ""....why is this and how can I get $SIDS
> to keep its new value opnce out of the do/done block. 
> 
> # !/bin/sh
> SIDS=""
> grep -v '^#' /etc/oratab | while read LINE
> do
>       ISID=`echo $LINE | cut -f1 -d:`
>       OHOME=`echo $LINE | cut -f2 -d:`
>       OBOWNER=`ls -l $OHOME/bin/sqlplus | awk '{print $3}'`
>       SIDS=`echo "$SIDS $OBOWNER:$ISID"`
>       echo "SIDS is $SIDS"
> done
>       echo SIDS is  $SIDS
>       echo "OBOWNER is  $OBOWNER"
> 
> the /etc/oratab file is: - 
> 
> # 
> # 
> LD4U:/opt/oracle/product/9.2.0:Y 
> oem:/opt/oracle/product/9.2.0:Y 
> ld4udev:/opt/oracle/product/9.2.0:Y 
> 
> Thanks
> 
> David
> 
Just export $SIDS after it is defined.
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Aaron Konstam
Computer Science
Trinity University
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