nushell/crates/nu-command/tests/commands/mod.rs
mengsuenyan cdc4fb1011
fix #9653 the cmd detect columns with the flag -c (#9667)
fix `detect columns` with flag `-c, --combine-columns` run failed when
using some range

- fixes #9653 

fix #9653 the cmd detect columns with the flag -c, --combine-columns run
failed when using some range.

add unit test for the command `detect columns`

```text
Attempt to automatically split text into multiple columns.

Usage:
  > detect columns {flags} 

Flags:
  -h, --help - Display the help message for this command
  -s, --skip <Int> - number of rows to skip before detecting
  -n, --no-headers - don't detect headers
  -c, --combine-columns <Range> - columns to be combined; listed as a range

Signatures:
  <string> | detect columns -> <table>

Examples:
  Splits string across multiple columns
  > 'a b c' | detect columns -n
  ╭───┬─────────┬─────────┬─────────╮
  │ # │ column0 │ column1 │ column2 │
  ├───┼─────────┼─────────┼─────────┤
  │ 0 │ a       │ b       │ c       │
  ╰───┴─────────┴─────────┴─────────╯

  Splits a multi-line string into columns with headers detected
  > $'c1 c2 c3 c4 c5(char nl)a b c d e' | detect columns
  ╭───┬────┬────┬────┬────┬────╮
  │ # │ c1 │ c2 │ c3 │ c4 │ c5 │
  ├───┼────┼────┼────┼────┼────┤
  │ 0 │ a  │ b  │ c  │ d  │ e  │
  ╰───┴────┴────┴────┴────┴────╯

  
  > $'c1 c2 c3 c4 c5(char nl)a b c d e' | detect columns -c 0..1
  ╭───┬─────┬────┬────┬────╮
  │ # │ c1  │ c3 │ c4 │ c5 │
  ├───┼─────┼────┼────┼────┤
  │ 0 │ a b │ c  │ d  │ e  │
  ╰───┴─────┴────┴────┴────╯

  Splits a multi-line string into columns with headers detected
  > $'c1 c2 c3 c4 c5(char nl)a b c d e' | detect columns -c -2..-1
  ╭───┬────┬────┬────┬─────╮
  │ # │ c1 │ c2 │ c3 │ c4  │
  ├───┼────┼────┼────┼─────┤
  │ 0 │ a  │ b  │ c  │ d e │
  ╰───┴────┴────┴────┴─────╯

  Splits a multi-line string into columns with headers detected
  > $'c1 c2 c3 c4 c5(char nl)a b c d e' | detect columns -c 2..
  ╭───┬────┬────┬───────╮
  │ # │ c1 │ c2 │  c3   │
  ├───┼────┼────┼───────┤
  │ 0 │ a  │ b  │ c d e │
  ╰───┴────┴────┴───────╯

  Parse external ls command and combine columns for datetime
  > ^ls -lh | detect columns --no-headers --skip 1 --combine-columns 5..7

```
2023-07-21 08:25:06 -05:00

114 lines
1.4 KiB
Rust

mod alias;
mod all;
mod any;
mod append;
mod assignment;
mod break_;
mod cal;
mod cd;
mod compact;
mod continue_;
mod cp;
mod date;
mod def;
mod default;
mod detect_columns;
mod do_;
mod drop;
mod each;
mod echo;
mod empty;
mod error_make;
mod every;
#[cfg(not(windows))]
mod exec;
mod export_def;
mod fill;
mod find;
mod first;
mod flatten;
mod for_;
#[cfg(feature = "extra")]
mod format;
mod get;
mod glob;
mod group_by;
mod hash_;
mod headers;
mod help;
mod histogram;
mod insert;
mod inspect;
mod into_filesize;
mod into_int;
mod join;
mod last;
mod length;
mod let_;
mod lines;
mod loop_;
mod ls;
mod match_;
mod math;
mod merge;
mod mkdir;
mod move_;
mod mut_;
mod network;
mod nu_check;
mod open;
mod par_each;
mod parse;
mod path;
mod platform;
mod prepend;
mod print;
#[cfg(feature = "sqlite")]
mod query;
mod random;
mod range;
mod redirection;
mod reduce;
mod reject;
mod rename;
mod return_;
mod reverse;
mod rm;
#[cfg(feature = "extra")]
mod roll;
#[cfg(feature = "extra")]
mod rotate;
mod run_external;
mod save;
mod select;
mod semicolon;
mod seq;
mod seq_char;
mod skip;
mod sort;
mod sort_by;
mod source_env;
mod split_by;
mod split_column;
mod split_row;
mod str_;
mod table;
mod take;
mod to_text;
mod touch;
mod transpose;
mod try_;
mod uniq;
mod uniq_by;
mod update;
mod upsert;
mod url;
mod use_;
mod where_;
#[cfg(feature = "which-support")]
mod which;
mod while_;
mod with_env;
mod wrap;
mod zip;