Created
October 6, 2022 08:12
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Define decode_hex function for jq.
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| def decode_hex: | |
| def decode: if . < 58 then .-48 elif . < 91 then .-55 else .-87 end; | |
| def decode_byte: map(decode) | (.[0] * 16) + .[1]; | |
| def pairs: explode | range(0;length;2) as $i | [.[$i], .[$i+1]]; | |
| def filter: if (. < 32 or (. >= 128 and . <= 159)) then 46 else . end; | |
| [pairs|decode_byte|filter] | implode; |
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Needs to be placed in
~/.jq/