# usage:  awk  -f fizzbuzzGen.awk > fizzbuzzCustom.awk
#    or:  gawk -f fbGen.awk  fb1.txt > fizzbuzzCustom.awk
#
function Print(s) {
    print s > "/dev/stderr"
}
BEGIN { Print( "# FizzBuzz-Generate:" )
        q2 = "\""
        fN = "numbers.txt"
       #fP = "fizzbuzzCustom.awk"
}

NF==1  { Print( "# " $1 " Numbers:" )
         for( i=1; i <= $1; i++ )
           print( i ) #> fN
          ##print >"output.txt"

         Print( "# Custom program:" )
         print "BEGIN {print "q2"# CustomFizzBuzz:"q2"} \n"
	     next
}

NF==2  { Print( "# " $1 "-->" $2 )   ##
         print "$1 %  "$1" == 0 {x = x "q2  $2 q2 "}"
         next
}

END {
     print ""
     print "!x  {print $1; next}"
     print "    {print " q2 " " q2 ", x; x=" q2 q2 "}"

     print " \nEND {print " q2 "# Done." q2 "}"
     Print( "# Done." )
}