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Full Discussion: awk Help
Top Forums UNIX for Dummies Questions & Answers awk Help Post 302148728 by findprakash on Monday 3rd of December 2007 11:52:16 AM
Old 12-03-2007
awk Help

Hi,
I am generating print column in awk using a while loop. I want to get
{'print `echo "$"$count`'}` in the code to be evaluated as below :

for nodecount =4 {'print `echo "$"$count`'}` should be {'print $4'}
for nodecount =5 {'print `echo "$"$count`'}` should be {'print $5'}
for nodecount =6 {'print `echo "$"$count`'}` should be {'print $6'}

Any help would be greatly appreciated.

Code below:

# more nodetest
set -xv

NODES=4
count=3
nodecount=0

while [ ${nodecount} != ${NODES} ]
do
count=`expr $count + 1`
nodecount=`expr $nodecount + 1`

HOST_NAME=`cat /var/opt/oracle/filename|grep -w oracle|awk -F: {'print `echo "$"$count`'}`
echo $HOST_NAME

done

# more /var/opt/oracle/filename
oracle:/pgoracle/app/oracle:4:HOST1:HOST2:HOST3:HOST4
 

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PLOCKSTAT(1)															      PLOCKSTAT(1)

NAME
plockstat - front-end to DTrace to print statistics about POSIX mutexes and read/write locks SYNOPSIS
plockstat [-vACHV] [-n count] [-s depth] [-e secs] [-x opt[=val]] command [arg...] plockstat [-vACHV] [-n count] [-s depth] [-e secs] [-x opt[=val]] -p pid OVERVIEW
The plockstat command is a front-end to DTrace that can be used to print statistics about POSIX mutexes and read/write locks. Since OS X 10.11, in order to use this, your process must be run with DYLD_LIBRARY_PATH set to contain /usr/lib/system/introspection: DYLD_LIBRARY_PATH=/usr/lib/system/introspection Which contains the necessary static DTrace probes. OPTIONS
-v print a message when tracing starts -A trace contention and hold events (same as -CH) -C trace contention events for mutexes and rwlocks -H trace hold events for mutexes and rwlocks -V print the dtrace script to run -n count display only 'count' entries for each event type -s depth show stack trace upto 'depth' entries -e secs exit after specified seconds -x arg[=val] enable a DTrace runtime option or a D compiler option -p pid attach and trace the specified process id SEE ALSO
dtrace(1) 1.0 July 2007 PLOCKSTAT(1)
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