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Full Discussion: Eval and get awk output assigned to variable
Top Forums Shell Programming and Scripting Eval and get awk output assigned to variable Post 302945411 by ezee on Friday 29th of May 2015 03:20:08 AM
Old 05-29-2015
Eval and get awk output assigned to variable
I want to do 2 things in single line that is evaluating a command to get return code and store $2 of awk if the command exit code is 0.

Code:
eval "ade desc ${filename}@@/<branch_name> | grep Version | awk '{print $2}' 2>&1 1>/dev/null"
ret=$?
        echo "$ret $val"
        if [ $ret == 0 ]
        then
                array_b2+=(${filename})
                continue
        fi

Here I am able to get the exit code but how to get the value obtained after awk command executed?
Last edited by ezee; 05-29-2015 at 05:04 AM..
 

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LEARN ABOUT CENTOS

papi_get_multiplex

PAPI_get_multiplex(3)						       PAPI						     PAPI_get_multiplex(3)

NAME

       PAPI_get_multiplex -

       Get the multiplexing status of specified event set.

SYNOPSIS

Detailed Description
       C Interface:
	   #include <papi.h>
	    int PAPI_get_multiplex( int  EventSet );

       Fortran Interface:
	   #include fpapi.h
	    PAPIF_get_multiplex( C_INT	EventSet,  C_INT  check )

       Parameters:
	   EventSet an integer handle for a PAPI event set as created by PAPI_create_eventset

       Return values:
	   PAPI_OK
	   PAPI_EINVAL One or more of the arguments is invalid, or the EventSet is already multiplexed.
	   PAPI_ENOEVST The EventSet specified does not exist.
	   PAPI_EISRUN The EventSet is currently counting events.
	   PAPI_ENOMEM Insufficient memory to complete the operation.

       PAPI_get_multiplex tests the state of the PAPI_MULTIPLEXING flag in the specified event set, returning TRUE if a PAPI event set is
       multiplexed, or FALSE if not.

       Example:

	   *   int EventSet = PAPI_NULL;
	   *   int ret;
	   *
	   *   // Create an empty EventSet
	   *   ret = PAPI_create_eventset(&EventSet);
	   *   if (ret != PAPI_OK) handle_error(ret);
	   *
	   *   // Bind it to the CPU component
	   *   ret = PAPI_assign_eventset_component(EventSet, 0);
	   *   if (ret != PAPI_OK) handle_error(ret);
	   *
	   *   // Check  current multiplex status
	   *   ret = PAPI_get_multiplex(EventSet);
	   *   if (ret == TRUE) printf("This event set is ready for multiplexing.")
	   *   if (ret == FALSE) printf("This event set is not enabled for multiplexing.")
	   *   if (ret < 0) handle_error(ret);
	   *
	   *   // Turn on multiplexing
	   *   ret = PAPI_set_multiplex(EventSet);
	   *   if ((ret == PAPI_EINVAL) && (PAPI_get_multiplex(EventSet) == TRUE))
	   *	 printf("This event set already has multiplexing enabled0);
	   *   else if (ret != PAPI_OK) handle_error(ret);
	   *

       See Also:
	   PAPI_multiplex_init

	   PAPI_set_opt

	   PAPI_create_eventset

Author
       Generated automatically by Doxygen for PAPI from the source code.

Version 5.2.0.0 						  Tue Jun 17 2014					     PAPI_get_multiplex(3)
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