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fq/pkg/interp/testdata/grep.fqtest
Mattias Wadman 051a70bd4b interp: Change bit ranges to use exclusive end 
All other ranges and slicing uses exclusive end so i think it make sense
to make it consistent.

Update docs and add additional example for non-byte-aligned field.

Also fixes issue showing zero bit ranges as start-NA.
2023-10-20 15:37:26 +02:00

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$ fq -i -d mp3 . test.mp3
mp3> grep(44100, "ID", "^ID3$", "^ID.?$", "Info", "magic", "\u00ff", [0x49, 0x44])
|00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f|0123456789abcdef|
0x20| 40| @|.frames[0].header.sample_rate: 44100 (0)
|00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f|0123456789abcdef|
0xe0| 50 | P |.frames[1].header.sample_rate: 44100 (0)
|00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f|0123456789abcdef|
0x1b0| 52 | R |.frames[2].header.sample_rate: 44100 (0)
|00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f|0123456789abcdef|
0x1c0| 11 4b 36 4a 08 83 58 c9| .K6J..X.|.frames[2].audio_data: raw bits
0x1d0|20 d4 29 52 98 c8 c8 f9 13 80 40 24 bc 91 23 42| .)R......@$..#B|
* |until 0x283.7 (end) (188) | |
|00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f|0123456789abcdef|
0x0|49 44 33 |ID3 |.headers[0].header.magic: "ID3" (valid)
|00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f|0123456789abcdef|
0x0|49 44 33 |ID3 |.headers[0].header.magic: "ID3" (valid)
|00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f|0123456789abcdef|
0x0|49 44 33 |ID3 |.headers[0].header.magic: "ID3" (valid)
|00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f|0123456789abcdef|
0x40| 49 6e 66 6f | Info |.frames[0].tag.header: "Info" (valid)
|00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f|0123456789abcdef|
0x0|49 44 33 |ID3 |.headers[0].header.magic: "ID3" (valid)
mp3> vgrep(44100, "ID", "^ID3$", "^ID.?$", "Info", "magic", "\u00ff", [0x49, 0x44])
|00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f|0123456789abcdef|
0x20| 40| @|.frames[0].header.sample_rate: 44100 (0)
|00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f|0123456789abcdef|
0xe0| 50 | P |.frames[1].header.sample_rate: 44100 (0)
|00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f|0123456789abcdef|
0x1b0| 52 | R |.frames[2].header.sample_rate: 44100 (0)
|00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f|0123456789abcdef|
0x0|49 44 33 |ID3 |.headers[0].header.magic: "ID3" (valid)
|00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f|0123456789abcdef|
0x0|49 44 33 |ID3 |.headers[0].header.magic: "ID3" (valid)
|00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f|0123456789abcdef|
0x0|49 44 33 |ID3 |.headers[0].header.magic: "ID3" (valid)
|00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f|0123456789abcdef|
0x40| 49 6e 66 6f | Info |.frames[0].tag.header: "Info" (valid)
mp3> fgrep(44100, "ID", "^ID3$", "^ID.?$", "Info", "magic", "\u00ff", [0x49, 0x44])
|00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f|0123456789abcdef|
0x0|49 44 33 |ID3 |.headers[0].header.magic: "ID3" (valid)
mp3> bgrep(44100, "ID", "^ID3$", "^ID.?$", "Info", "magic", "\u00ff", [0x49, 0x44])
|00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f|0123456789abcdef|
0x1c0| 11 4b 36 4a 08 83 58 c9| .K6J..X.|.frames[2].audio_data: raw bits
0x1d0|20 d4 29 52 98 c8 c8 f9 13 80 40 24 bc 91 23 42| .)R......@$..#B|
* |until 0x283.7 (end) (188) | |
|00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f|0123456789abcdef|
0x0|49 44 33 |ID3 |.headers[0].header.magic: "ID3" (valid)
|00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f|0123456789abcdef|
0x0|49 44 33 |ID3 |.headers[0].header.magic: "ID3" (valid)
|00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f|0123456789abcdef|
0x0|49 44 33 |ID3 |.headers[0].header.magic: "ID3" (valid)
|00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f|0123456789abcdef|
0x40| 49 6e 66 6f | Info |.frames[0].tag.header: "Info" (valid)
|00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f|0123456789abcdef|
0x0|49 44 33 |ID3 |.headers[0].header.magic: "ID3" (valid)
mp3> "64ff65ff66" | fromhex | bgrep("\u00ff"; "b")
|00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f|0123456789abcdef|
0x0|64 ff 65 ff 66| |d.e.f| |.: raw bits 0x0-0x5 (5)
mp3> grep_by(. == 44100)
|00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f|0123456789abcdef|
0x20| 40| @|.frames[0].header.sample_rate: 44100 (0)
|00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f|0123456789abcdef|
0xe0| 50 | P |.frames[1].header.sample_rate: 44100 (0)
|00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f|0123456789abcdef|
0x1b0| 52 | R |.frames[2].header.sample_rate: 44100 (0)
mp3> grep_by(format == "id3v2")
|00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f|0123456789abcdef|.headers[0]{}: header (id3v2)
0x00|49 44 33 04 00 00 00 00 00 23 |ID3......# | header{}:
0x00| 54 53 53 45 00 00| TSSE..| frames[0:1]:
0x10|00 0f 00 00 03 4c 61 76 66 35 38 2e 34 35 2e 31|.....Lavf58.45.1|
0x20|30 30 00 |00. |
0x20| 00 00 00 00 00 00 00 00 00 00 | .......... | padding: raw bits (all zero)
mp3> ^D
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