/test.mp3:
# display
> fq -d mp3 '.headers[0].version | ., type, length?' /test.mp3
   |00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f|                |
0x0|         04                                    |   .            |.headers[0].version: 4
"number"
4
# index
> fq -d mp3 '.headers[0].version[0] | ., type, length?' /test.mp3
exitcode: 5
stderr:
error: expected an array but got: number
> fq -d mp3 '.headers[0].version[-1000] | ., type, length?' /test.mp3
exitcode: 5
stderr:
error: expected an array but got: number
> fq -d mp3 '.headers[0].version[1000] | ., type, length?' /test.mp3
exitcode: 5
stderr:
error: expected an array but got: number
# slice
> fq -d mp3 '.headers[0].version[1:3] | ., type, length?' /test.mp3
exitcode: 5
stderr:
error: expected an array but got: number
> fq -d mp3 '.headers[0].version[0:-1] | ., type, length?' /test.mp3
exitcode: 5
stderr:
error: expected an array but got: number
> fq -d mp3 '.headers[0].version[-1000:2000] | ., type, length?' /test.mp3
exitcode: 5
stderr:
error: expected an array but got: number
# key
> fq -d mp3 '.headers[0].version["test"] | ., type, length?' /test.mp3
exitcode: 5
stderr:
error: expected an object but got: number
# each
> fq -d mp3 '[.headers[0].version[]] | type, length?' /test.mp3
exitcode: 5
stderr:
error: cannot iterate over: number
# keys
> fq -d mp3 '.headers[0].version | keys' /test.mp3
exitcode: 5
stderr:
error: keys cannot be applied to: number
# has
> fq -d mp3 '.headers[0].version | has("a")' /test.mp3
exitcode: 5
stderr:
error: has cannot be applied to: number
> fq -d mp3 '.headers[0].version | has(0)' /test.mp3
exitcode: 5
stderr:
error: has cannot be applied to: number
# type
> fq -d mp3 '.headers[0].version | type' /test.mp3
"number"
# tonumber
> fq -d mp3 '.headers[0].version | tonumber' /test.mp3
4
# tostring
> fq -d mp3 '.headers[0].version | tostring' /test.mp3
"4"
# to gojq
> fq -d mp3 '.headers[0].version + ""' /test.mp3
exitcode: 5
stderr:
error: cannot add: number (4) and string ("")
> fq -d mp3 '.headers[0].version + 1' /test.mp3
5
# test _keys
> fq -d mp3 '.headers[0].version._start | ., type, length?' /test.mp3
24
"number"
24
> fq -d mp3 '.headers[0].version._stop | ., type, length?' /test.mp3
32
"number"
32
> fq -d mp3 '.headers[0].version._len | ., type, length?' /test.mp3
8
"number"
8
> fq -d mp3 '.headers[0].version._name | ., type, length?' /test.mp3
"version"
"string"
7
> fq -d mp3 '.headers[0].version._value | ., type, length?' /test.mp3
4
"number"
4
> fq -d mp3 '.headers[0].version._symbol | ., type, length?' /test.mp3
""
"string"
0
> fq -d mp3 '.headers[0].version._description | ., type, length?' /test.mp3
""
"string"
0
> fq -d mp3 '.headers[0].version._path | ., type, length?' /test.mp3
[
  "headers",
  0,
  "version"
]
"array"
3
> fq -d mp3 '.headers[0].version._bits | ., type, length?' /test.mp3
   |00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f|                |
0x0|04                                             |.               |
<8 bits>
"buffer"
8
> fq -d mp3 '.headers[0].version._bytes | ., type, length?' /test.mp3
   |00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f|                |
0x0|04                                             |.               |
<1 bytes>
"buffer"
1
> fq -d mp3 '.headers[0].version._error | ., type, length?' /test.mp3
null
"null"
0
> fq -d mp3 '.headers[0].version._unknown | ., type, length?' /test.mp3
false
"boolean"