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120 lines
3.0 KiB
Plaintext
120 lines
3.0 KiB
Plaintext
$ fq -i -d mp3 . test.mp3
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mp3> .headers[0].magic | ., tovalue, type, length?
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|00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f|0123456789abcdef|
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0x0|49 44 33 |ID3 |.headers[0].magic: "ID3" (valid)
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"ID3"
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"string"
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3
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mp3> .headers[0].magic[0] | ., type, length?
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"I"
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"string"
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1
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mp3> .headers[0].magic[-1000] | ., type, length?
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""
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"string"
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0
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mp3> .headers[0].magic[1000] | ., type, length?
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""
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"string"
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0
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mp3> .headers[0].magic[1:3] | ., type, length?
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"D3"
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"string"
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2
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mp3> .headers[0].magic[0:-1] | ., type, length?
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"ID"
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"string"
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2
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mp3> .headers[0].magic[-1000:2000] | ., type, length?
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"ID3"
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"string"
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3
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mp3> .headers[0].magic["test"] | ., type, length?
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error: expected an object but got: string
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mp3> [.headers[0].magic[]] | type, length?
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error: cannot iterate over: string
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mp3> .headers[0].magic | keys
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error: keys cannot be applied to: string
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mp3> .headers[0].magic | has("a")
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error: has cannot be applied to: string
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mp3> .headers[0].magic | has(0)
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error: has cannot be applied to: string
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mp3> .headers[0].magic | type
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"string"
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mp3> .headers[0].magic | tonumber
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error: invalid number: "ID3"
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mp3> .headers[0].magic | tostring
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"ID3"
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mp3> .headers[0].magic + ""
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"ID3"
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mp3> .headers[0].magic + 1
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error: cannot add: string ("ID3") and number (1)
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mp3> .headers[0].magic._start | ., type, length?
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0
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"number"
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0
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mp3> .headers[0].magic._stop | ., type, length?
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24
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"number"
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24
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mp3> .headers[0].magic._len | ., type, length?
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24
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"number"
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24
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mp3> .headers[0].magic._name | ., type, length?
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"magic"
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"string"
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5
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mp3> .headers[0].magic._sym | ., type, length?
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null
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"null"
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0
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mp3> .headers[0].magic._description | ., type, length?
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"valid"
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"string"
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5
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mp3> .headers[0].magic._path | ., type, length?
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[
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"headers",
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0,
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"magic"
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]
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"array"
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3
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mp3> .headers[0].magic._bits | ., type, length?
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|00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f|0123456789abcdef|
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0x0|49 44 33 |ID3 |.: raw bits 0x0-0x2.7 (3)
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"binary"
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24
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mp3>
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mp3> .headers[0].magic._bytes | ., type, length?
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|00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f|0123456789abcdef|
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0x0|49 44 33 |ID3 |.: raw bits 0x0-0x2.7 (3)
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"binary"
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3
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mp3>
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mp3> .headers[0].magic._error | ., type, length?
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null
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"null"
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0
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mp3> .headers[0].magic._unknown | ., type, length?
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false
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"boolean"
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mp3> .headers[0].magic.a = 1
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error: expected an object but got: string ("ID3")
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mp3> .headers[0].magic[0] = 1
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error: expected an array but got: string ("ID3")
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mp3> .headers[0].magic.a |= empty
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error: expected an object but got: string
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mp3> .headers[0].magic[0] |= empty
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error: expected an array but got: string ("ID3")
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mp3> .headers[0].magic | setpath(["a"]; 1)
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error: expected an object but got: string ("ID3")
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mp3> .headers[0].magic | setpath([0]; 1)
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error: expected an array but got: string ("ID3")
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mp3> .headers[0].magic | delpaths([["a"]])
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error: expected an object but got: string ("ID3")
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mp3> .headers[0].magic | delpaths([[0]])
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error: expected an array but got: string ("ID3")
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mp3> ^D
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