UNIX for Dummies Questions & Answers

                  { $2 += 0; } # force numeric comparisions
$1 == "nFaces"    { n = $2; }
$1 == "startFace" { if (startFace < $2) { nFaces = n; startFace = $2; } }
END               { print "nFaces", 0; print "startFace", startFace + nFaces; }

perl -e '
for (1..100){
>    if ( ($_ % 2) == 0 ){printf "startFace %d\n", (int(rand(100)));}
>    else{ printf "nFaces %d\n", (int(rand(100)));}}
> ' >file

 perl -e 'while(<>){
   if (/startFace (\d+)/){
      if ($1 > $faces{max}){
         $faces{max} = $1;
         $faces{prev}=$prev;
      }
   }
   else{
      ($prev)=/\s+(\d+)/;
   }
}
print "nFaces 0;\nstartFace ",$faces{max}+$faces{prev}," (m+n)\n";' file