'Understand '?' and '@' bytes in file
After getting data from old software, I can save it to a file with a specific format. I wanted to extract the data from this file. Unfortunately, this format is unreadable. It seems to have specific characters (? or @). I don't really understand how it is encoded but I have the data in the software to check the answer.
Here is a small sample of the bytes that the file contains:
0000-06f0: 10 db 2f 34-dc 80 c4 3f-8c e7 f7 ae-e6 61 02 40 ../4...? .....a.@
0000-0700: 41 69 af a4-f1 9e c2 3f-d9 e4 52 91-d4 1e 02 40 Ai.....? ..R....@
0000-0710: 50 0f be bc-f0 b5 c3 3f-df 4e 84 c9-0e e0 02 40 P......? .N.....@
0000-0720: 51 fe 42 71-a4 15 c3 3f-52 58 bc ab-ff f5 02 40 Q.Bq...? RX.....@
0000-0730: f6 26 e6 87-3c 27 c3 3f-ef 02 25 a5-db 9b 02 40 .&..<'.? ..%....@
0000-0740: 1e d4 37 19-a1 56 c3 3f-b5 76 c8 6a-34 3c 02 40 ..7..V.? .v.j4<.@
0000-0750: 81 34 51 8c-b0 f8 c4 3f-2e 74 d6 cd-4a 84 01 40 .4Q....? .t..J..@
0000-0760: 14 c7 40 00-7a 93 c5 3f-02 43 07 2b-76 a4 01 40 [email protected]..? .C.+v..@
0000-0770: c9 2d 42 c2-03 51 c6 3f-0c c5 30 d2-b5 38 01 40 .-B..Q.? ..0..8.@
0000-0780: 70 3e bb b0-cb 0a c8 3f-4b b7 12 c7-28 18 00 40 p>.....? K...(..@
0000-0790: 6a ad b4 7a-62 ae c7 3f-90 11 50 41-f1 f2 fd 3f j..zb..? ..PA...?
0000-07a0: 3a e9 01 1a-a7 f4 c7 3f-96 7b d0 a5-33 40 fd 3f :......? .{..3@.?
0000-07b0: 87 a1 ac 47-6c c0 c6 3f-90 78 3d 69-07 43 fe 3f ...Gl..? .x=i.C.?
0000-07c0: 36 d7 1c 39-43 27 c8 3f-d4 a3 47 47-80 df fd 3f 6..9C'.? ..GG...?
If someone knows how to decode it to get, it could be super useful.
Thanks.
Sources
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Source: Stack Overflow
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