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# 1  
Old 10-20-2010
awk search and print
I have a script where I need to use awk, go through some output, which is stored in a variable, and find a string Xms and Xmx and print the results, including the rest of that string.

Example of string:

Code:
/opt/IBM/WebSphere/AppServer/deploytool/itp/batch2.jar:/opt/IBM/WebSphere/AppServer/java/lib/tools.jar -Dibm.websphere.internalClassAccessMode=allow -verbose:gc -Xms128m -Xmx512m -Dws.ext.dirs=/opt/IBM/WebSphere/AppServer/java/lib:/opt/IBM/WebSphere/AppServer/lib:/opt/IBM/WebSphere/AppServer/installedChannels:/opt/IBM/WebSphere/AppServer/lib/ext

The above output is not fixed. I need to capture the 128 and 512 from above.
# 2  
Old 10-20-2010
Code:
echo "/opt/IBM/WebSphere/AppServer/deploytool/itp/batch2.jar:/opt/IBM/WebSphere/AppServer/java/lib/tools.jar -Dibm.websphere.internalClassAccessMode=allow -verbose:gc -Xms128m -Xmx512m -Dws.ext.dirs=/opt/IBM/WebSphere/AppServer/java/lib:/opt/IBM/WebSphere/AppServer/lib:/opt/IBM/WebSphere/AppServer/installedChannels:/opt/IBM/WebSphere/AppServer/lib/ext"  | sed "s/.*Xms\([0-9]*\).*Xmx\([0-9]*\).*/\1 \2/"

# 3  
Old 10-20-2010
That seems to work, and in my bash scripting history I haven't used sed and awk much together, is there a way within awk to run sed against each result, or do I need to do it within awk?

Code:
ps auxwww | grep -i application | grep -v awk | awk 'BEGIN{
     printf("----------------------------------------------------\n")}

Code:
{     uid=  $1
     pid=  $2
     pmem= $4
     vmem=  $5
     rmem= $6
     sub("^.*config","",$0)
     printf("%s-%s-%s-%s-%s-%s\n", uid, pid, $0, vmem, rmem, pmem)
}

# 4  
Old 10-20-2010
Assumption in the above sed is that all "application" command lines have Xms and Xmx parameters in that order. Be carefull if these can be ommitted (with default values applied) this wont work.

Here is a version going straight from a ps listing to Xms and Xmx values output, note gensub is pretty much the same as the sed command.
I also matched tolower($0) with [a]pplication to avoid using the two grep commands you had:

Code:
ps -auxwww | awk ' tolower($0) ~ /[a]pplication/ { print gensub(/.*Xms([0-9]*).*Xmx([0-9]*).*/, "\\1 \\2", "") }'

Last edited by Chubler_XL; 10-20-2010 at 08:04 PM..
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