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Full Discussion: sed / grep / for statement performance - please help
Top Forums Shell Programming and Scripting sed / grep / for statement performance - please help Post 302368661 by TehOne on Thursday 5th of November 2009 09:37:35 AM
Old 11-05-2009
Quote:
Originally Posted by ghostdog74
get rid of all those useless cats, greps and sed.
Code:
find debugme -name "*.txt" | awk 'BEGIN{
   while( (getline line < "debug.files" ) > 0 ) {
       a[++d]=line
   }
   close("debug.files")
}
{
   filename=$0
   while( (getline line < filename ) > 0 ){
       m=split(line,t," ")
       if ( t[1]+0 == t[1]){
           for(i=1;i<=d;i++){
              if( a[i] ~ t[1] ){
                print "found"
                found=1   
              }
           }
       }       
       if(f==0){
        print "not found"
       }
   }
   close(filename)   
}'

NB:not tested.
Your attempt seems to be best when it comes to performance but it doesn't work as it shows not found for each line! I'd appreciate it alot if you could get it working.
Last edited by TehOne; 11-05-2009 at 10:51 AM..
 

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LEARN ABOUT CENTOS

tapset::task

tapset::task(3stap)													       tapset::task(3stap)

NAME

       tapset::task - systemtap task tapset

DESCRIPTION

       task_current
	      The current task_struct of the current task

	      See function::task_current(3stap)
	       for details.

       task_parent
	      The task_struct of the parent task

	      See function::task_parent(3stap)
	       for details.

       task_state
	      The state of the task

	      See function::task_state(3stap)
	       for details.

       task_execname
	      The name of the task

	      See function::task_execname(3stap)
	       for details.

       task_pid
	      The process identifier of the task

	      See function::task_pid(3stap)
	       for details.

       pid2task
	      The task_struct of the given process identifier

	      See function::pid2task(3stap)
	       for details.

       pid2execname
	      The name of the given process identifier

	      See function::pid2execname(3stap)
	       for details.

       task_tid
	      The thread identifier of the task

	      See function::task_tid(3stap)
	       for details.

       task_gid
	      The group identifier of the task

	      See function::task_gid(3stap)
	       for details.

       task_egid
	      The effective group identifier of the task

	      See function::task_egid(3stap)
	       for details.

       task_uid
	      The user identifier of the task

	      See function::task_uid(3stap)
	       for details.

       task_euid
	      The effective user identifier of the task

	      See function::task_euid(3stap)
	       for details.

       task_prio
	      The priority value of the task

	      See function::task_prio(3stap)
	       for details.

       task_nice
	      The nice value of the task

	      See function::task_nice(3stap)
	       for details.

       task_cpu
	      The scheduled cpu of the task

	      See function::task_cpu(3stap)
	       for details.

       task_open_file_handles
	      The number of open files of the task

	      See function::task_open_file_handles(3stap)
	       for details.

       task_max_file_handles
	      The max number of open files for the task

	      See function::task_max_file_handles(3stap)
	       for details.

SEE ALSO

	  function::task_current(3stap),      function::task_parent(3stap),	 function::task_state(3stap),	 function::task_execname(3stap),
       function::task_pid(3stap),	 function::pid2task(3stap),	   function::pid2execname(3stap),	   function::task_tid(3stap),
       function::task_gid(3stap),	   function::task_egid(3stap),		function::task_uid(3stap),	   function::task_euid(3stap),
       function::task_prio(3stap),    function::task_nice(3stap),      function::task_cpu(3stap),      function::task_open_file_handles(3stap),
       function::task_max_file_handles(3stap),	stap(1), stapprobes(3stap)

IBM
									---						       tapset::task(3stap)
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