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Merge pull request #752 from wader/doc-update-jq-diff
doc: Move up and update differences jq section a bit
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doc/usage.md
23
doc/usage.md
@ -337,7 +337,18 @@ single argument `1, 2` (a lambda expression that outputs `1` and then outputs `2
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achieved.
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- Expressions have one implicit input and output value. This how pipelines like `1 | . * 2` work.
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## Types specific to fq
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## Differences to jq
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- All [gojq's differences to jq](https://github.com/itchyny/gojq#difference-to-jq).
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Notably it adds support for arbitrary-precision integers.
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- Supports raw strings using back-ticks. <code>\`\\(1234)\u1234\`</code> results in the string `"\\(1234)\\u1234"`.
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- Supports hexadecimal `0xab`, octal `0o77` and binary `0b101` integer literals. Also support grouping using underscore `0xaa_bb_cc_dd`.
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- Try include using a ending question mark `include "file?";` that doesn't fail if file is missing or has errors.
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- Some values can act as an object with keys even when it's an array, number etc.
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- There can be keys hidden from `keys` and `[]`.
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- Some values are readonly and can't be updated or will convert to JSON on update.
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### Types specific to fq
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fq has two additional types compared to jq, decode value and binary. In standard jq expressions they will in most cases behave as some standard jq type.
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@ -850,16 +861,6 @@ fq can be used as a script interpreter:
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[.frames[].header | .sample_count / .sample_rate] | add
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```
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## Differences to jq
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- [gojq's differences to jq](https://github.com/itchyny/gojq#difference-to-jq),
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notable is support for arbitrary-precision integers.
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- Supports hexadecimal `0xab`, octal `0o77` and binary `0b101` integer literals.
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- Try include `include "file?";` that doesn't fail if file is missing or has errors.
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- Some values can act as an object with keys even when it's an array, number etc.
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- There can be keys hidden from `keys` and `[]`.
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- Some values are readonly and can't be updated.
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## Decoded values
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When decoding something, using `decode` or `mp3` etc, you a decode value is returned. They behave like
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