Shell Programming and Scripting

function lookfor {
y=$1
s=$2
echo -e "NOW Processing file: $s \n\n"
cat $s | while read file
do    
        [ "${#file}" -lt 5 ] && continue
        awk -v file=$file '$0 ~ file  {print $2}' $file | sort -u > $$.tmp
        cnt=$(cat $$.tmp | wc -l)
        ((cnt == 1)) && cat $$.tmp >> fnd.txt
done
}

######################
> fnd.txt
lookfor "hugelog1.log" "firstRowUniq.1" 
lookfor "hugelog2.log" "firstRowUniq.2" 
lookfor "hugelog3.log" "firstRowUniq.3" 

rm -f $$.tmp 2>/dev/null

awk '
{
 if ( $1==t )
  {
      if ( $2 == o ) { cnd=cnd+1 } else { cnd=0 }
    }

if ( $1 != t )
     {
     if (cnd > 0 )
     {
       print "Found=>",t,o,cnd;
       cnd=0;
      }
 else
    {
        cnd=0
     }
   }

#print "Processed", $1,$2;
t=$1;o=$2;
}

' filename_here