explain me this shell script ...


 
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# 1  
Old 11-21-2007
explain me this shell script ...

Code:
currentSid=${TWO_TASK:-$ORACLE_SID}
echo $currentSid

this script returns value of ORACLE_SID but what i am not getting is
what is ":-" doing ??
# 2  
Old 11-21-2007
If the value of ${TWO_TASK} var is null then currentSid loads the value of ${ORACLE_SID}

Regards.
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