ksh help

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# 15  
Old 08-18-2011
Thanks..But, it's not working ...

tnsping abc | nawk '/PORT =/ { gsub( ".*PORT =", "" ); gsub( ").*", "" ); print; }'
nawk: illegal primary in regular expression ).* at .*
 source line number 1
 context is
        /PORT =/ { gsub( ".*PORT =", "" ); gsub( ").*", "" >>>  ) <<<


Last edited by Scott; 08-18-2011 at 01:09 PM.. Reason: Fixed code tags
# 16  
Old 08-18-2011
I've always found /usr/xpg4/bin/awk to be a bit more "reliable" than nawk. Please try that.

(and please also use code tags for terminal output Smilie)

Maybe not the best sed, but does the trick:

$ tnsping DB1 | sed -n "s/.*PORT = \([^)]*\).*/\1/p" 

# 17  
Old 08-18-2011

---------- Post updated at 01:49 PM ---------- Previous update was at 11:14 AM ----------

sed -n \"s/.*PORT = \\([^)]*\\).*/\\1/p\""

if I want to check PORT=, PORT =, PORT = all in one condition , is this possible ?

# 18  
Old 08-18-2011
Sure! An asterisk (*) in a RE means "zero or more":

sed -n \"s/.*PORT *= *\\([^)]*\\).*/\\1/p\""

# 19  
Old 08-18-2011
it's not working . I will explain bit more . The output sometimes comes back like this :


need to check for above three contions.
Scot, the solution you provided is not working.

# 20  
Old 08-18-2011
Why did I cut-and-paste the command from your last post into my reply?

Where did you get that command from?

$ tnsping DB1 | sed -n "s/.*PORT *= *\([^)]*\).*/\1/p"

Works fine.
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