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|
$ fq -ni
null> abc | slurp
error: expr: slurp requires one string argument. ex: ... | slurp("name")
null> slurp | 1
error: slurp must be last in pipeline. ex: ... | slurp("name")
null> abc | slurp("a")
error: expr: function not defined: abc/0
null> "a"+1 | slurp("a")
error: cannot add: string ("a") and number (1)
null> 123 | slurp("a")
null> 123, "bb" | slurp("bb")
null> 123, 456, error("err"), "bb" | slurp("err")
error: err
null> spew
{
"a": [
123
],
"bb": [
123,
"bb"
],
"err": [
123,
456
]
}
null> spew("bb")
123
"bb"
null> $a
[
123
]
null> "aa" | slurp("a")
null> spew
{
"a": [
"aa"
],
"bb": [
123,
"bb"
],
"err": [
123,
456
]
}
null> $a
[
"aa"
]
null> . | repl
> null> $bb
[
123,
"bb"
]
> null> ^D
null> 123 | slurp("a b")
error: expr: invalid slurp name "a b", must be a valid identifier. ex: ... | slurp("name")
null> 123 | slurp(null)
error: expr: invalid slurp name "null", must be a valid identifier. ex: ... | slurp("name")
null> ^D
$ fq -i
null> 1,2,3 | repl
> number, ...[0:3][]> ., .*2 | slurp("b")
> number, ...[0:3][]> if . == 2 then error("err") end | slurp("c")
error: err
> number, ...[0:3][]> ^D
null> spew
{
"b": [
1,
2,
2,
4,
3,
6
],
"c": [
1,
3
]
}
null> ^D
$ fq -d mp3 -i . test.mp3
mp3> .frames[0] | slurp("f")
mp3> $f[]
|00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f|0123456789abcdef|.frames[0]{}: frame (mp3_frame)
0x20| ff fb 40| ..@| header{}:
0x30|c0 |. |
0x30| 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00| ...............| side_info{}:
0x40|00 00 |.. |
|00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f|0123456789abcdef|
0x40| 49 6e 66 6f 00 00 00 0f 00 00 00 02 00 00| Info..........| tag{}: (mp3_frame_xing)
0x50|02 57 00 a6 a6 a6 a6 a6 a6 a6 a6 a6 a6 a6 a6 a6|.W..............|
* |until 0xdd.7 (156) | |
0xd0| 00 00| ..| audio_data: raw bits
0xe0|00 00 00 |... |
| | | crc_calculated: "827a" (raw bits)
mp3> ^D
$ fq -n slurp
exitcode: 3
stderr:
error: arg: slurp can only be used from interactive repl
|
