%perl -nle' exit if $. == 15; print unpack "H*", $_' testdata.txt 416c616e6f6e2c20426172740d 353539302f454c0d 2d2d2d2d0d 4f274c657769732c204a6f686e2e0d 2d2d2d2d2f2d2d2d202d2d0d 6a6f686e0d 4c65204d7563682c426f204a6f0d 333430362f313635204e530d 656440612e6e6c0d 4162652d4a656e2c204d61722d4a6f0d 333432312f31363444204e530d 63626573740d