Shell Programming and Scripting

$for line in `cat one.txt`
do
echo "$line" 1> one${i}
cat two.txt >> one${i}
let i+=1
done

awk 'BEGIN {
  n = split("a b c d e f g h i j k l m n o p q r s t u v w x y z", alpha)
  }    
NR == FNR {
  two = two ? two RS $0 : $0; next
  }
FNR == 1 {
  fn = FILENAME; split(fn, FN, ".")
  }
{
  fn = FN[1] alpha[++c] "." FN[2]
  print $0 RS two > fn; close(fn)
  }' two.txt one.txt

awk '{print > f="file"i++ ; y=system("cat two.txt >>" f);}' one.txt

$ awk '{print > f="file"i++ ; y=system("cat two.txt >>" f);}' one.txt
awk: {print > f="file"i++ ; y=system("cat two.txt >>" f);}
awk:           ^ syntax error

awk '{f="file_" $1 ".txt" ;print >f ; system("cat two.txt >>" f)}' one.txt