53637265656e73686f742d323032342d30322d32332d61742d312e30352e3134e280af414d2e706e67
Use of uninitialized value $file in say at ./test.pl line 14.

Character in 'H' format wrapped in unpack at ./test.pl line 17.
53637265656e73686f742d323032342d30322d32332d61742d312e30352e31342f414d2e706e67
hexes not equal
1