#!/bin/sh
set -x
PATTERN="are definitely|uninitialised|Unhandled exception|Invalid read|Invalid write|Invalid free|Source and desti|Mismatched free|unaddressable byte|vex x86|impossible|Assertion|INTERNAL ERROR|Terminated"

for a in *.log
do
   name=`basename $a .log`
   grep == $a | 
     egrep "$PATTERN"  |
     sed 's/==.*== //;s/(.*) *//;s/in loss record.*//;s/^[0-9][0-9,]* *bytes/XXX bytes/g;s/in [0-9][0-9,]* blocks*/in XXX blocks/g' |
     sort | uniq -c | sort -n > $name.errs.txt
done