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https://github.com/nushell/nushell.git
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Remove --predicate flag from find (#7042)
This commit is contained in:
Reilly Wood
GitHub
parent
5ee096232c
commit
14d7ba5cc9
@ -4,10 +4,10 @@ use fancy_regex::Regex;
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use lscolors::{Color as LsColors_Color, LsColors, Style as LsColors_Style};
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use nu_ansi_term::{Color, Color::Default, Style};
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use nu_color_config::get_color_config;
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use nu_engine::{env_to_string, eval_block, CallExt};
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use nu_engine::{env_to_string, CallExt};
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use nu_protocol::{
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ast::Call,
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engine::{CaptureBlock, Command, EngineState, Stack},
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engine::{Command, EngineState, Stack},
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Category, Config, Example, IntoInterruptiblePipelineData, ListStream, PipelineData, ShellError,
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Signature, Span, SyntaxShape, Type, Value,
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};
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@ -37,12 +37,6 @@ impl Command for Find {
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Type::Table(vec![]),
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),
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])
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.named(
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"predicate",
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SyntaxShape::Block(Some(vec![SyntaxShape::Any])),
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"the predicate to satisfy",
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Some('p'),
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)
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.named(
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"regex",
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SyntaxShape::String,
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@ -70,7 +64,7 @@ impl Command for Find {
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}
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fn usage(&self) -> &str {
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"Searches terms in the input or for elements of the input that satisfies the predicate."
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"Searches terms in the input."
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}
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fn examples(&self) -> Vec<Example> {
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@ -83,14 +77,14 @@ impl Command for Find {
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Example {
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description: "Search for a term in a string",
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example: r#"'Cargo.toml' | find toml"#,
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result: Some(Value::test_string("Cargo.toml".to_owned()))
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result: Some(Value::test_string("Cargo.toml".to_owned())),
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},
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Example {
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description: "Search a number or a file size in a list of numbers",
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example: r#"[1 5 3kb 4 3Mb] | find 5 3kb"#,
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result: Some(Value::List {
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vals: vec![Value::test_int(5), Value::test_filesize(3000)],
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span: Span::test_data()
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span: Span::test_data(),
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}),
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},
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Example {
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@ -98,53 +92,43 @@ impl Command for Find {
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example: r#"[moe larry curly] | find l"#,
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result: Some(Value::List {
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vals: vec![Value::test_string("larry"), Value::test_string("curly")],
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span: Span::test_data()
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})
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},
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Example {
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description: "Find odd values",
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example: "[2 4 3 6 5 8] | find --predicate { |it| ($it mod 2) == 1 }",
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result: Some(Value::List {
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vals: vec![Value::test_int(3), Value::test_int(5)],
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span: Span::test_data()
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})
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},
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Example {
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description: "Find if a service is not running",
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example: "[[version patch]; [0.1.0 false] [0.1.1 true] [0.2.0 false]] | find -p { |it| $it.patch }",
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result: Some(Value::List {
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vals: vec![Value::test_record(
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vec!["version", "patch"],
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vec![Value::test_string("0.1.1"), Value::test_bool(true)]
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)],
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span: Span::test_data()
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span: Span::test_data(),
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}),
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},
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Example {
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description: "Find using regex",
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example: r#"[abc bde arc abf] | find --regex "ab""#,
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result: Some(Value::List {
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vals: vec![Value::test_string("abc".to_string()), Value::test_string("abf".to_string())],
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span: Span::test_data()
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})
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vals: vec![
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Value::test_string("abc".to_string()),
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Value::test_string("abf".to_string()),
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],
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span: Span::test_data(),
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}),
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},
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Example {
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description: "Find using regex case insensitive",
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example: r#"[aBc bde Arc abf] | find --regex "ab" -i"#,
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result: Some(Value::List {
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vals: vec![Value::test_string("aBc".to_string()), Value::test_string("abf".to_string())],
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span: Span::test_data()
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})
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vals: vec![
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Value::test_string("aBc".to_string()),
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Value::test_string("abf".to_string()),
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],
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span: Span::test_data(),
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}),
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},
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Example {
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description: "Find value in records",
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example: r#"[[version name]; [0.1.0 nushell] [0.1.1 fish] [0.2.0 zsh]] | find -r "nu""#,
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result: Some(Value::List {
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vals: vec![Value::test_record(
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vec!["version", "name"],
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vec![Value::test_string("0.1.0"), Value::test_string("nushell".to_string())]
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)],
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span: Span::test_data()
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vec!["version", "name"],
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vec![
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Value::test_string("0.1.0"),
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Value::test_string("nushell".to_string()),
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],
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)],
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span: Span::test_data(),
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}),
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},
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]
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@ -161,19 +145,12 @@ impl Command for Find {
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call: &Call,
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input: PipelineData,
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) -> Result<PipelineData, ShellError> {
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let predicate = call.get_flag::<CaptureBlock>(engine_state, stack, "predicate")?;
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let regex = call.get_flag::<String>(engine_state, stack, "regex")?;
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match (regex, predicate) {
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(None, Some(predicate)) => {
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find_with_predicate(predicate, engine_state, stack, call, input)
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}
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(Some(regex), None) => find_with_regex(regex, engine_state, stack, call, input),
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(None, None) => find_with_rest_and_highlight(engine_state, stack, call, input),
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(Some(_), Some(_)) => Err(ShellError::IncompatibleParametersSingle(
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"expected either predicate or regex flag, not both".to_owned(),
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call.head,
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)),
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if let Some(regex) = regex {
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find_with_regex(regex, engine_state, stack, call, input)
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} else {
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find_with_rest_and_highlight(engine_state, stack, call, input)
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}
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}
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}
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@ -241,58 +218,6 @@ fn find_with_regex(
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)
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}
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fn find_with_predicate(
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predicate: CaptureBlock,
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engine_state: &EngineState,
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stack: &mut Stack,
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call: &Call,
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input: PipelineData,
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) -> Result<PipelineData, ShellError> {
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let span = call.head;
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let ctrlc = engine_state.ctrlc.clone();
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let metadata = input.metadata();
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let redirect_stdout = call.redirect_stdout;
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let redirect_stderr = call.redirect_stderr;
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let engine_state = engine_state.clone();
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let invert = call.has_flag("invert");
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let capture_block = predicate;
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let block_id = capture_block.block_id;
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if !call.rest::<Value>(&engine_state, stack, 0)?.is_empty() {
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return Err(ShellError::IncompatibleParametersSingle(
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"expected either a predicate or terms, not both".to_owned(),
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span,
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));
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}
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let block = engine_state.get_block(block_id).clone();
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let var_id = block.signature.get_positional(0).and_then(|arg| arg.var_id);
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let mut stack = stack.captures_to_stack(&capture_block.captures);
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input.filter(
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move |value| {
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if let Some(var_id) = var_id {
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stack.add_var(var_id, value.clone());
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}
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eval_block(
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&engine_state,
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&mut stack,
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&block,
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PipelineData::new_with_metadata(metadata.clone(), span),
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redirect_stdout,
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redirect_stderr,
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)
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.map_or(false, |pipeline_data| {
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pipeline_data.into_value(span).is_true() != invert
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})
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},
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ctrlc,
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)
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}
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fn highlight_terms_in_record(
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cols: &mut [String],
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vals: &mut Vec<Value>,
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