1$ fq -i -d mp3 . /test.mp3 2mp3> .headers[0].magic | ., tovalue, type, length? 3 |00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f|0123456789abcdef| 40x0|49 44 33 |ID3 |.headers[0].magic: "ID3" (valid) 5"ID3" 6"string" 73 8mp3> .headers[0].magic[0] | ., type, length? 9"I" 10"string" 111 12mp3> .headers[0].magic[-1000] | ., type, length? 13"" 14"string" 150 16mp3> .headers[0].magic[1000] | ., type, length? 17"" 18"string" 190 20mp3> .headers[0].magic[1:3] | ., type, length? 21"D3" 22"string" 232 24mp3> .headers[0].magic[0:-1] | ., type, length? 25"ID" 26"string" 272 28mp3> .headers[0].magic[-1000:2000] | ., type, length? 29"ID3" 30"string" 313 32mp3> .headers[0].magic["test"] | ., type, length? 33error: expected an object but got: string 34mp3> [.headers[0].magic[]] | type, length? 35error: cannot iterate over: string 36mp3> .headers[0].magic | keys 37error: keys cannot be applied to: string 38mp3> .headers[0].magic | has("a") 39error: has cannot be applied to: string 40mp3> .headers[0].magic | has(0) 41error: has cannot be applied to: string 42mp3> .headers[0].magic | type 43"string" 44mp3> .headers[0].magic | tonumber 45error: invalid number: "ID3" 46mp3> .headers[0].magic | tostring 47"ID3" 48mp3> .headers[0].magic + "" 49"ID3" 50mp3> .headers[0].magic + 1 51error: cannot add: string ("ID3") and number (1) 52mp3> .headers[0].magic._start | ., type, length? 530 54"number" 550 56mp3> .headers[0].magic._stop | ., type, length? 5724 58"number" 5924 60mp3> .headers[0].magic._len | ., type, length? 6124 62"number" 6324 64mp3> .headers[0].magic._name | ., type, length? 65"magic" 66"string" 675 68mp3> .headers[0].magic._sym | ., type, length? 69null 70"null" 710 72mp3> .headers[0].magic._description | ., type, length? 73"valid" 74"string" 755 76mp3> .headers[0].magic._path | ., type, length? 77[ 78 "headers", 79 0, 80 "magic" 81] 82"array" 833 84mp3> .headers[0].magic._bits | ., type, length? 85 |00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f|0123456789abcdef| 860x0|49 44 33 |ID3 |.: raw bits 0x0-0x2.7 (3) 87"buffer" 8824 89mp3> 90mp3> .headers[0].magic._bytes | ., type, length? 91 |00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f|0123456789abcdef| 920x0|49 44 33 |ID3 |.: raw bits 0x0-0x2.7 (3) 93"buffer" 943 95mp3> 96mp3> .headers[0].magic._error | ., type, length? 97null 98"null" 990 100mp3> .headers[0].magic._unknown | ., type, length? 101false 102"boolean" 103mp3> .headers[0].magic.a = 1 104error: expected an object but got: string 105mp3> .headers[0].magic[0] = 1 106error: expected an array with index 0 but got: string 107mp3> .headers[0].magic.a |= empty 108error: expected an object but got: string 109mp3> .headers[0].magic[0] |= empty 110error: expected an array with index 0 but got: string 111mp3> .headers[0].magic | setpath(["a"]; 1) 112error: expected an object with key "a" but got: string 113mp3> .headers[0].magic | setpath([0]; 1) 114error: expected an array with index 0 but got: string 115mp3> .headers[0].magic | delpaths([["a"]]) 116error: expected an object with key "a" but got: string 117mp3> .headers[0].magic | delpaths([[0]]) 118error: expected an array with index 0 but got: string 119mp3> ^D 120