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[linux/bash script] time command result sum

calc_alltime.sh

#!/bin/bash

TIME_RESULT_FILE=${1}

if [ "${TIME_RESULT_FILE}" != "" ]; then
  if [ -f ${TIME_RESULT_FILE} ]; then
  egrep "^[rus]" ${TIME_RESULT_FILE} |awk ' { print $2 } '| sed -e 's/m/ /'g |sed -e 's/s$//g' |
 awk ' { SUM_MIN=SUM_MIN+$1; SUM_SEC=SUM_SEC+$2; } END {
 NEW_MIN=int(SUM_SEC/60);
 SUM_MIN=SUM_MIN+NEW_MIN;
 SUM_SEC=SUM_SEC-(NEW_MIN*60);
 print SUM_MIN "m" SUM_SEC "s" } '
  else
    echo "File not exist"
  fi
fi


example of FILE
# cat tt
1th try

real    0m2.564s
user    0m0.032s
sys     0m0.033s
2th try

real    0m2.586s
user    0m0.039s
sys     0m0.034s
3th try

real    0m2.810s
user    0m0.036s
sys     0m0.042s
4th try

real    0m3.155s
user    0m0.042s
sys     0m0.040s
# calc_alltime.sh tt
0m11.413s

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