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What is the meaning of this statement?

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# 1  
Old 06-20-2012
What is the meaning of this statement?
Code:
Temp=${PATH_PROC_USER:=""}

Thanks for your time and answer.
# 2  
Old 06-20-2012
Quote:
Originally Posted by ezee
Code:
Temp=${PATH_PROC_USER:=""}

Set a variable called TEMP to the value of the variable PATH_PROC_USER if PATH_PROC_USER has a value. If PATH_PROC_USER does not have a value (is null), set Temp to a null string (the ""). Which is what it is already.
Last edited by gary_w; 06-20-2012 at 11:39 AM..
This User Gave Thanks to gary_w For This Post:
ezee
# 3  
Old 06-20-2012
and this?
Thanks for answering

Code:
sort -r -t";" -k1,1 -k15,15

what r is doing here?
Last edited by Scrutinizer; 06-20-2012 at 12:38 PM.. Reason: code tags
# 4  
Old 06-20-2012
Reversing the sort.
This User Gave Thanks to rbatte1 For This Post:
ezee
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