hi monks i am stuck at some points in my coding. what i want to do is capture the value of the LAYER into an array and print out the max value . problem with my code so far is that when i read the value of @num , all the values are joined together as a string(210) instead of 2 1 0 thus , i am not able to do sorting to get the max value

current result 

210

[download]
input source 
   Pin vcc
    aaaa
    bbbb
    Port
      Layer m2 ;
    END
    CCC
    DDD
    Port 
      Layer m1 ;
    END
    EEE
    FFF
    Port
      Layer m0 ;
    END
   END vcc

[download]
my code : 

if (/PIN vcc/../END vcc/) {
           if(/LAYER\s+m(\S+)/) {
             push(@num, $1);
             print "@num", ;
             

             
           
}

[download]

In reply to how to capture the max value of the array by teddy6507

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