forked from extern/nushell
463dd48180
We very well support `nth 0 2 3 --skip 1 4` to select particular rows and skip some using a flag. However, in practice we deal with tables (whether they come from parsing or loading files and whatnot) where we don't know the size of the table up front (and everytime we have these, they may have different sizes). There are also other use cases when we use intermediate tables during processing and wish to always drop certain rows and **keep the rest**. Usage: ``` ... | drop nth 0 ... | drop nth 3 8 ```
134 lines
4.5 KiB
Rust
134 lines
4.5 KiB
Rust
mod charting;
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mod config;
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mod conversions;
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mod core_commands;
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#[cfg(feature = "dataframe")]
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mod dataframe;
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mod env;
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mod filesystem;
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mod filters;
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mod formats;
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mod generators;
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mod math;
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mod network;
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mod path;
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mod pathvar;
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mod platform;
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mod random;
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mod shells;
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mod strings;
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mod viewers;
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pub use charting::*;
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pub use config::*;
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pub use conversions::*;
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pub use core_commands::*;
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#[cfg(feature = "dataframe")]
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pub use dataframe::{
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DataFrame, DataFrameAggregate, DataFrameAllFalse, DataFrameAllTrue, DataFrameAppend,
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DataFrameArgMax, DataFrameArgMin, DataFrameArgSort, DataFrameArgTrue, DataFrameArgUnique,
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DataFrameColumn, DataFrameConcatenate, DataFrameContains, DataFrameDTypes, DataFrameDescribe,
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DataFrameDrop, DataFrameDropDuplicates, DataFrameDropNulls, DataFrameDummies, DataFrameFilter,
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DataFrameFirst, DataFrameGet, DataFrameGetDay, DataFrameGetHour, DataFrameGetMinute,
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DataFrameGetMonth, DataFrameGetNanoSecond, DataFrameGetOrdinal, DataFrameGetSecond,
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DataFrameGetWeek, DataFrameGetWeekDay, DataFrameGetYear, DataFrameGroupBy,
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DataFrameIsDuplicated, DataFrameIsIn, DataFrameIsNotNull, DataFrameIsNull, DataFrameIsUnique,
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DataFrameJoin, DataFrameLast, DataFrameList, DataFrameMelt, DataFrameNNull, DataFrameNUnique,
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DataFrameNot, DataFrameOpen, DataFramePivot, DataFrameReplace, DataFrameReplaceAll,
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DataFrameSample, DataFrameSelect, DataFrameSeriesRename, DataFrameSet, DataFrameSetWithIdx,
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DataFrameShape, DataFrameShift, DataFrameShow, DataFrameSlice, DataFrameSort,
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DataFrameStrFTime, DataFrameStringLengths, DataFrameStringSlice, DataFrameTake, DataFrameToCsv,
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DataFrameToDF, DataFrameToLowercase, DataFrameToParquet, DataFrameToUppercase, DataFrameUnique,
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DataFrameValueCounts, DataFrameWhere, DataFrameWithColumn,
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};
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pub use env::*;
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pub use filesystem::*;
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pub use filters::*;
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pub use formats::*;
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pub use generators::*;
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pub use math::*;
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pub use network::*;
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pub use path::*;
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pub use pathvar::*;
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pub use platform::*;
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pub use random::*;
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pub use shells::*;
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pub use strings::*;
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pub use viewers::*;
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#[cfg(test)]
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mod tests {
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use super::*;
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use crate::examples::{test_anchors, test_examples};
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use nu_engine::{whole_stream_command, Command};
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use nu_errors::ShellError;
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fn full_tests() -> Vec<Command> {
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vec![
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whole_stream_command(Drop),
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whole_stream_command(DropNth),
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whole_stream_command(DropColumn),
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whole_stream_command(Append),
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whole_stream_command(GroupBy),
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whole_stream_command(Insert),
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whole_stream_command(MoveColumn),
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whole_stream_command(Update),
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whole_stream_command(Empty),
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whole_stream_command(Nth),
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// whole_stream_command(Select),
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// whole_stream_command(Get),
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// Str Command Suite
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whole_stream_command(Str),
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whole_stream_command(StrToDecimal),
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whole_stream_command(StrToInteger),
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whole_stream_command(StrDowncase),
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whole_stream_command(StrUpcase),
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whole_stream_command(StrCapitalize),
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whole_stream_command(StrFindReplace),
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whole_stream_command(StrSubstring),
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whole_stream_command(StrToDatetime),
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whole_stream_command(StrContains),
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whole_stream_command(StrIndexOf),
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whole_stream_command(StrTrim),
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whole_stream_command(StrStartsWith),
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whole_stream_command(StrEndsWith),
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//whole_stream_command(StrCollect),
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whole_stream_command(StrLength),
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whole_stream_command(StrLPad),
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whole_stream_command(StrReverse),
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whole_stream_command(StrRPad),
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whole_stream_command(StrCamelCase),
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whole_stream_command(StrPascalCase),
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whole_stream_command(StrKebabCase),
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whole_stream_command(StrSnakeCase),
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whole_stream_command(StrScreamingSnakeCase),
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whole_stream_command(ToMarkdown),
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]
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}
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fn only_examples() -> Vec<Command> {
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let mut commands = full_tests();
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commands.extend(vec![whole_stream_command(Flatten)]);
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commands
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}
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#[test]
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fn examples_work_as_expected() -> Result<(), ShellError> {
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for cmd in only_examples() {
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println!("cmd: {}", cmd.name());
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test_examples(cmd)?;
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}
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Ok(())
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}
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#[test]
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fn tracks_metadata() -> Result<(), ShellError> {
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for cmd in full_tests() {
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test_anchors(cmd)?;
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}
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Ok(())
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}
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}
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