Select Code to Download

perl 
-nle"push @{$h{$_}},$ARGV}{print qq[$_ found in @{$h{$_}}] for keys %h
+" 
1.dat 2.dat 3.dat 4.dat 5.dat 6.dat 7.dat 8.dat 9.dat 10.dat

name074 found in 1.dat 6.dat
name027 found in 5.dat
...
name100 found in 2.dat 7.dat
name061 found in 6.dat
...