Rename count to length (#3166)

* update docs to refer to length instead of count

* rename count to length

* change all occurrences of 'count' to 'length' in tests

* format length command

crates/nu-command/src/commands.rs

@@ -23,7 +23,6 @@ pub(crate) mod clip;
 pub(crate) mod compact;
 pub(crate) mod config;
 pub(crate) mod constants;
-pub(crate) mod count;
 pub(crate) mod cp;
 pub(crate) mod date;
 pub(crate) mod debug;
@@ -72,6 +71,7 @@ pub(crate) mod insert;
 pub(crate) mod into_int;
 pub(crate) mod keep;
 pub(crate) mod last;
+pub(crate) mod length;
 pub(crate) mod let_;
 pub(crate) mod let_env;
 pub(crate) mod lines;
@@ -154,7 +154,6 @@ pub(crate) use compact::Compact;
 pub(crate) use config::{
     Config, ConfigClear, ConfigGet, ConfigLoad, ConfigPath, ConfigRemove, ConfigSet, ConfigSetInto,
 };
-pub(crate) use count::Count;
 pub(crate) use cp::Cpy;
 pub(crate) use date::{Date, DateFormat, DateListTimeZone, DateNow, DateToTable, DateToTimeZone};
 pub(crate) use debug::Debug;
@@ -212,6 +211,7 @@ pub(crate) use insert::Command as Insert;
 pub(crate) use into_int::IntoInt;
 pub(crate) use keep::{Keep, KeepUntil, KeepWhile};
 pub(crate) use last::Last;
+pub(crate) use length::Length;
 pub(crate) use let_::Let;
 pub(crate) use let_env::LetEnv;
 pub(crate) use lines::Lines;

crates/nu-command/src/commands/default_context.rs

@@ -57,7 +57,7 @@ pub fn create_default_context(interactive: bool) -> Result<EvaluationContext, Bo
             whole_stream_command(Sleep),
             // Statistics
             whole_stream_command(Size),
-            whole_stream_command(Count),
+            whole_stream_command(Length),
             whole_stream_command(Benchmark),
             // Metadata
             whole_stream_command(Tags),

crates/nu-command/src/commands/length.rs

@@ -4,21 +4,21 @@ use nu_engine::WholeStreamCommand;
 use nu_errors::ShellError;
 use nu_protocol::{Signature, UntaggedValue, Value};
 
-pub struct Count;
+pub struct Length;
 
 #[derive(Deserialize)]
-pub struct CountArgs {
+pub struct LengthArgs {
     column: bool,
 }
 
 #[async_trait]
-impl WholeStreamCommand for Count {
+impl WholeStreamCommand for Length {
     fn name(&self) -> &str {
-        "count"
+        "length"
     }
 
     fn signature(&self) -> Signature {
-        Signature::build("count").switch(
+        Signature::build("length").switch(
             "column",
             "Calculate number of columns in table",
             Some('c'),
@@ -31,10 +31,10 @@ impl WholeStreamCommand for Count {
 
     async fn run(&self, args: CommandArgs) -> Result<OutputStream, ShellError> {
         let tag = args.call_info.name_tag.clone();
-        let (CountArgs { column }, input) = args.process().await?;
+        let (LengthArgs { column }, input) = args.process().await?;
         let rows: Vec<Value> = input.collect().await;
 
-        let count = if column {
+        let length = if column {
             if rows.is_empty() {
                 0
             } else {
@@ -42,8 +42,8 @@ impl WholeStreamCommand for Count {
                     UntaggedValue::Row(dictionary) => dictionary.length(),
                     _ => {
                         return Err(ShellError::labeled_error(
-                            "Cannot obtain column count",
-                            "cannot obtain column count",
+                            "Cannot obtain column length",
+                            "cannot obtain column length",
                             tag,
                         ));
                     }
@@ -53,19 +53,21 @@ impl WholeStreamCommand for Count {
             rows.len()
         };
 
-        Ok(OutputStream::one(UntaggedValue::int(count).into_value(tag)))
+        Ok(OutputStream::one(
+            UntaggedValue::int(length).into_value(tag),
+        ))
     }
 
     fn examples(&self) -> Vec<Example> {
         vec![
             Example {
                 description: "Count the number of entries in a list",
-                example: "echo [1 2 3 4 5] | count",
+                example: "echo [1 2 3 4 5] | length",
                 result: Some(vec![UntaggedValue::int(5).into()]),
             },
             Example {
                 description: "Count the number of columns in the calendar table",
-                example: "cal | count -c",
+                example: "cal | length -c",
                 result: None,
             },
         ]
@@ -74,13 +76,13 @@ impl WholeStreamCommand for Count {
 
 #[cfg(test)]
 mod tests {
-    use super::Count;
+    use super::Length;
     use super::ShellError;
 
     #[test]
     fn examples_work_as_expected() -> Result<(), ShellError> {
         use crate::examples::test as test_examples;
 
-        test_examples(Count {})
+        test_examples(Length {})
     }
 }

crates/nu-command/tests/commands/cal.rs

@@ -33,7 +33,7 @@ fn cal_friday_the_thirteenths_in_2015() {
     let actual = nu!(
         cwd: ".", pipeline(
         r#"
-        cal --full-year 2015 | default friday 0 | where friday == 13 | count
+        cal --full-year 2015 | default friday 0 | where friday == 13 | length
         "#
     ));
 
@@ -45,7 +45,7 @@ fn cal_rows_in_2020() {
     let actual = nu!(
         cwd: ".", pipeline(
         r#"
-        cal --full-year 2020 | count
+        cal --full-year 2020 | length
         "#
     ));
 

crates/nu-command/tests/commands/compact.rs

@@ -25,7 +25,7 @@ fn discards_rows_where_given_column_is_empty() {
                 open los_tres_amigos.json
                 | get amigos
                 | compact rusty_luck
-                | count
+                | length
             "#
         ));
 
@@ -41,7 +41,7 @@ fn discards_empty_rows_by_default() {
                 echo "[1,2,3,14,null]"
                 | from json
                 | compact
-                | count
+                | length
             "#
         ));
 

crates/nu-command/tests/commands/default.rs

@@ -26,7 +26,7 @@ fn adds_row_data_if_column_missing() {
                 | get amigos
                 | default rusty_luck 1
                 | where rusty_luck == 1
-                | count
+                | length
             "#
         ));
 

crates/nu-command/tests/commands/drop.rs

@@ -13,7 +13,7 @@ fn columns() {
             ]
             | drop column
             | get
-            | count
+            | length
         "#)
     );
 
@@ -62,7 +62,7 @@ fn rows() {
 
 #[test]
 fn more_rows_than_table_has() {
-    let actual = nu!(cwd: ".", "date | drop 50 | count");
+    let actual = nu!(cwd: ".", "date | drop 50 | length");
 
     assert_eq!(actual.out, "0");
 }

crates/nu-command/tests/commands/empty.rs

@@ -13,7 +13,7 @@ fn reports_emptiness() {
             | get are_empty
             | empty? check
             | where check
-            | count
+            | length
         "#
     ));
 

crates/nu-command/tests/commands/first.rs

@@ -17,7 +17,7 @@ fn gets_first_rows_by_amount() {
             r#"
                 ls
                 | first 3
-                | count
+                | length
             "#
         ));
 
@@ -40,7 +40,7 @@ fn gets_all_rows_if_amount_higher_than_all_rows() {
             r#"
                 ls
                 | first 99
-                | count
+                | length
             "#
         ));
 
@@ -58,7 +58,7 @@ fn gets_first_row_when_no_amount_given() {
             r#"
                 ls
                 | first
-                | count
+                | length
             "#
         ));
 

crates/nu-command/tests/commands/flatten.rs

@@ -71,7 +71,7 @@ fn flatten_row_column_explicitly() {
 
         let actual = nu!(
             cwd: dirs.test(),
-            "open katz.json | flatten people | where name == Andres | count"
+            "open katz.json | flatten people | where name == Andres | length"
         );
 
         assert_eq!(actual.out, "1");
@@ -105,7 +105,7 @@ fn flatten_row_columns_having_same_column_names_flats_separately() {
 
         let actual = nu!(
             cwd: dirs.test(),
-            "open katz.json | flatten | flatten people city | get city_name | count"
+            "open katz.json | flatten | flatten people city | get city_name | length"
         );
 
         assert_eq!(actual.out, "4");
@@ -139,7 +139,7 @@ fn flatten_table_columns_explicitly() {
 
         let actual = nu!(
             cwd: dirs.test(),
-            "open katz.json | flatten city | where people.name == Katz | count"
+            "open katz.json | flatten city | where people.name == Katz | length"
         );
 
         assert_eq!(actual.out, "2");

crates/nu-command/tests/commands/get.rs

@@ -89,7 +89,7 @@ fn column_paths_are_either_double_quoted_or_regular_unquoted_words_separated_by_
             r#"
                 open sample.toml
                 | get package."9999"
-                | count
+                | length
             "#
         ));
 

crates/nu-command/tests/commands/group_by.rs

@@ -21,7 +21,7 @@ fn groups() {
                 open los_tres_caballeros.csv
                 | group-by rusty_at
                 | get "10/11/2013"
-                | count
+                | length
             "#
         ));
 

crates/nu-command/tests/commands/help.rs

@@ -1,11 +1,11 @@
 use nu_test_support::{nu, pipeline};
 
 #[test]
-fn help_commands_count() {
+fn help_commands_length() {
     let actual = nu!(
         cwd: ".", pipeline(
         r#"
-        help commands | count
+        help commands | length
         "#
     ));
 
@@ -16,11 +16,11 @@ fn help_commands_count() {
 }
 
 #[test]
-fn help_generate_docs_count() {
+fn help_generate_docs_length() {
     let actual = nu!(
         cwd: ".", pipeline(
         r#"
-        help generate_docs | flatten | count
+        help generate_docs | flatten | length
         "#
     ));
 

crates/nu-command/tests/commands/last.rs

@@ -27,7 +27,7 @@ fn gets_last_rows_by_amount() {
             r#"
                 ls
                 | last 3
-                | count
+                | length
             "#
         ));
 
@@ -45,7 +45,7 @@ fn gets_last_row_when_no_amount_given() {
             r#"
                 ls
                 | last
-                | count
+                | length
             "#
         ));
 
@@ -58,7 +58,7 @@ fn requests_more_rows_than_table_has() {
     let actual = nu!(
         cwd: ".", pipeline(
         r#"
-        date | last 50 | count
+        date | last 50 | length
         "#
     ));
 

crates/nu-command/tests/commands/length.rs

@@ -1,11 +1,11 @@
 use nu_test_support::{nu, pipeline};
 
 #[test]
-fn count_columns_in_cal_table() {
+fn length_columns_in_cal_table() {
     let actual = nu!(
         cwd: ".", pipeline(
         r#"
-        cal | count -c
+        cal | length -c
         "#
     ));
 
@@ -13,11 +13,11 @@ fn count_columns_in_cal_table() {
 }
 
 #[test]
-fn count_columns_no_rows() {
+fn length_columns_no_rows() {
     let actual = nu!(
         cwd: ".", pipeline(
         r#"
-        echo [] | count -c
+        echo [] | length -c
         "#
     ));
 

crates/nu-command/tests/commands/lines.rs

@@ -42,7 +42,7 @@ fn lines_multi_value_split() {
             open sample-simple.json
             | get first second
             | lines
-            | count
+            | length
         "#
     ));
 

crates/nu-command/tests/commands/ls.rs

@@ -15,7 +15,7 @@ fn lists_regular_files() {
             cwd: dirs.test(), pipeline(
             r#"
                 ls
-                | count
+                | length
             "#
         ));
 
@@ -37,7 +37,7 @@ fn lists_regular_files_using_asterisk_wildcard() {
             cwd: dirs.test(), pipeline(
             r#"
                 ls *.txt
-                | count
+                | length
             "#
         ));
 
@@ -59,7 +59,7 @@ fn lists_regular_files_using_question_mark_wildcard() {
             cwd: dirs.test(), pipeline(
             r#"
                 ls *.??.txt
-                | count
+                | length
             "#
         ));
 
@@ -88,7 +88,7 @@ fn lists_all_files_in_directories_from_stream() {
             r#"
                 echo dir_a dir_b
                 | each { ls $it }
-                | count
+                | length
             "#
         ));
 
@@ -105,7 +105,7 @@ fn does_not_fail_if_glob_matches_empty_directory() {
             cwd: dirs.test(), pipeline(
             r#"
                 ls dir_a
-                | count
+                | length
             "#
         ));
 
@@ -142,7 +142,7 @@ fn list_files_from_two_parents_up_using_multiple_dots() {
         let actual = nu!(
             cwd: dirs.test().join("foo/bar"),
             r#"
-                ls ... | count
+                ls ... | length
             "#
         );
 
@@ -165,7 +165,7 @@ fn lists_hidden_file_when_explicitly_specified() {
             cwd: dirs.test(), pipeline(
             r#"
                 ls .testdotfile
-                | count
+                | length
             "#
         ));
 
@@ -199,7 +199,7 @@ fn lists_all_hidden_files_when_glob_contains_dot() {
             cwd: dirs.test(), pipeline(
             r#"
                 ls **/.*
-                | count
+                | length
             "#
         ));
 
@@ -236,7 +236,7 @@ fn lists_all_hidden_files_when_glob_does_not_contain_dot() {
             cwd: dirs.test(), pipeline(
             r#"
                 ls **/*
-                | count
+                | length
             "#
         ));
 
@@ -259,7 +259,7 @@ fn lists_files_including_starting_with_dot() {
             cwd: dirs.test(), pipeline(
             r#"
                 ls -a
-                | count
+                | length
             "#
         ));
 

crates/nu-command/tests/commands/mkdir.rs

@@ -70,7 +70,7 @@ fn show_created_paths() {
          pipeline(
              r#"
                  mkdir -s dir_1 dir_2 dir_3
-                 | count
+                 | length
              "#
         ));
 

crates/nu-command/tests/commands/mod.rs

@@ -5,7 +5,6 @@ mod autoenv_untrust;
 mod cal;
 mod cd;
 mod compact;
-mod count;
 mod cp;
 mod def;
 mod default;
@@ -28,6 +27,7 @@ mod insert;
 mod into_int;
 mod keep;
 mod last;
+mod length;
 mod lines;
 mod ls;
 mod math;

crates/nu-command/tests/commands/nth.rs

@@ -28,7 +28,7 @@ fn selects_many_rows() {
                 ls
                 | get name
                 | nth 1 0
-                | count
+                | length
             "#
         ));
 

crates/nu-command/tests/commands/random/dice.rs

@@ -5,7 +5,7 @@ fn rolls_4_roll() {
     let actual = nu!(
         cwd: ".", pipeline(
         r#"
-        random dice -d 4 -s 10 | count
+        random dice -d 4 -s 10 | length
         "#
     ));
 

crates/nu-command/tests/commands/range.rs

@@ -36,7 +36,7 @@ fn selects_some_rows() {
                 ls
                 | get name
                 | range 1..2
-                | count
+                | length
             "#
         ));
 

crates/nu-command/tests/commands/rename.rs

@@ -23,7 +23,7 @@ fn changes_the_column_name() {
                 | wrap name
                 | rename mosqueteros
                 | get mosqueteros
-                | count
+                | length
                 "#
         ));
 
@@ -53,7 +53,7 @@ fn keeps_remaining_original_names_given_less_new_names_than_total_original_names
                 | default hit "arepa!"
                 | rename mosqueteros
                 | get hit
-                | count
+                | length
                 "#
         ));
 

crates/nu-command/tests/commands/select.rs

@@ -76,7 +76,7 @@ fn allows_if_given_unknown_column_name_is_missing() {
                 [Yehuda Katz 10/11/2013 A]
             ]
             | select rrusty_at first_name
-            | count
+            | length
         "#
     ));
 

crates/nu-command/tests/commands/split_by.rs

@@ -22,7 +22,7 @@ fn splits() {
                 | group-by rusty_at
                 | split-by type
                 | get A."10/11/2013"
-                | count
+                | length
             "#
         ));
 

crates/nu-command/tests/commands/split_row.rs

@@ -19,7 +19,7 @@ fn to_row() {
                 | lines
                 | str trim
                 | split row ","
-                | count
+                | length
             "#
         ));
 

crates/nu-command/tests/commands/uniq.rs

@@ -22,7 +22,7 @@ fn removes_duplicate_rows() {
             r#"
                 open los_tres_caballeros.csv
                 | uniq
-                | count
+                | length
                 
             "#
         ));
@@ -52,7 +52,7 @@ fn uniq_values() {
                 open los_tres_caballeros.csv
                 | select type
                 | uniq
-                | count
+                | length
                 
             "#
         ));
@@ -117,7 +117,7 @@ fn nested_json_structures() {
             r#"
                 open nested_json_structures.json
                 | uniq
-                | count
+                | length
                 
             "#
         ));
@@ -133,7 +133,7 @@ fn uniq_when_keys_out_of_order() {
             echo '[{"a": "a", "b": [1,2,3]},{"b": [1,2,3], "a": "a"}]'
             | from json
             | uniq
-            | count
+            | length
             
         "#
     ));

crates/nu-command/tests/commands/where_.rs

@@ -145,7 +145,7 @@ fn contains_operator() {
             | where table_name == strings
             | get table_values
             | where x =~ ell
-            | count
+            | length
         "#
     ));
 
@@ -158,7 +158,7 @@ fn contains_operator() {
             | where table_name == strings
             | get table_values
             | where x !~ ell
-            | count
+            | length
         "#
     ));
 

crates/nu-command/tests/commands/which.rs

@@ -44,11 +44,11 @@ fn correct_precedence_alias_def_custom() {
 fn multiple_reports_for_alias_def_custom() {
     let actual = nu!(
         cwd: ".",
-        "def ls [] {echo def}; alias ls = echo alias; which -a ls | count"
+        "def ls [] {echo def}; alias ls = echo alias; which -a ls | length"
     );
 
-    let count: i32 = actual.out.parse().unwrap();
-    assert!(count >= 3);
+    let length: i32 = actual.out.parse().unwrap();
+    assert!(length >= 3);
 }
 
 // `get_aliases_with_name` and `get_custom_commands_with_name` don't return the correct count of
@@ -61,11 +61,11 @@ fn multiple_reports_for_alias_def_custom() {
 fn multiple_reports_of_multiple_alias() {
     let actual = nu!(
         cwd: ".",
-        "alias xaz = echo alias1; def helper [] {alias xaz = echo alias2; which -a xaz}; helper | count"
+        "alias xaz = echo alias1; def helper [] {alias xaz = echo alias2; which -a xaz}; helper | length"
     );
 
-    let count: i32 = actual.out.parse().unwrap();
-    assert_eq!(count, 2);
+    let length: i32 = actual.out.parse().unwrap();
+    assert_eq!(length, 2);
 }
 
 #[ignore]
@@ -73,11 +73,11 @@ fn multiple_reports_of_multiple_alias() {
 fn multiple_reports_of_multiple_defs() {
     let actual = nu!(
         cwd: ".",
-        "def xaz [] {echo def1}; def helper [] { def xaz [] { echo def2 }; which -a xaz }; helper | count"
+        "def xaz [] {echo def1}; def helper [] { def xaz [] { echo def2 }; which -a xaz }; helper | length"
     );
 
-    let count: i32 = actual.out.parse().unwrap();
-    assert_eq!(count, 2);
+    let length: i32 = actual.out.parse().unwrap();
+    assert_eq!(length, 2);
 }
 
 //Fails due to ParserScope::add_definition
@@ -88,9 +88,9 @@ fn multiple_reports_of_multiple_defs() {
 fn def_only_seen_once() {
     let actual = nu!(
         cwd: ".",
-        "def xaz [] {echo def1}; which -a xaz | count"
+        "def xaz [] {echo def1}; which -a xaz | length"
     );
-    //count is 2. One custom_command (def) one built in ("wrongly" added)
-    let count: i32 = actual.out.parse().unwrap();
-    assert_eq!(count, 1);
+    //length is 2. One custom_command (def) one built in ("wrongly" added)
+    let length: i32 = actual.out.parse().unwrap();
+    assert_eq!(length, 1);
 }

crates/nu-command/tests/format_conversions/csv.rs

@@ -93,7 +93,7 @@ fn infers_types() {
             r#"
                 open los_cuatro_mosqueteros.csv
                 | where rusty_luck > 0
-                | count
+                | length
             "#
         ));
 
@@ -120,7 +120,7 @@ fn from_csv_text_to_table() {
                 open los_tres_caballeros.txt
                 | from csv
                 | get rusty_luck
-                | count
+                | length
             "#
         ));
 
@@ -147,7 +147,7 @@ fn from_csv_text_with_separator_to_table() {
                 open los_tres_caballeros.txt
                 | from csv --separator ';'
                 | get rusty_luck
-                | count
+                | length
             "#
         ));
 
@@ -174,7 +174,7 @@ fn from_csv_text_with_tab_separator_to_table() {
                 open los_tres_caballeros.txt
                 | from csv --separator '\t'
                 | get rusty_luck
-                | count
+                | length
             "#
         ));
 
@@ -200,7 +200,7 @@ fn from_csv_text_skipping_headers_to_table() {
                 open los_tres_amigos.txt
                 | from csv --noheaders
                 | get Column3
-                | count
+                | length
             "#
         ));
 

crates/nu-command/tests/format_conversions/ics.rs

@@ -48,7 +48,7 @@ fn infers_types() {
             r#"
                 open calendar.ics
                 | get events
-                | count
+                | length
             "#
         ));
 

crates/nu-command/tests/format_conversions/json.rs

@@ -36,7 +36,7 @@ fn from_json_text_to_table() {
 
         let actual = nu!(
             cwd: dirs.test(),
-            "open katz.txt | from json | get katz | get rusty_luck | count "
+            "open katz.txt | from json | get katz | get rusty_luck | length "
         );
 
         assert_eq!(actual.out, "4");

crates/nu-command/tests/format_conversions/tsv.rs

@@ -97,7 +97,7 @@ fn from_tsv_text_to_table() {
                 open los_tres_amigos.txt
                 | from tsv
                 | get rusty_luck
-                | count
+                | length
             "#
         ));
 
@@ -123,7 +123,7 @@ fn from_tsv_text_skipping_headers_to_table() {
                 open los_tres_amigos.txt
                 | from tsv --noheaders
                 | get Column3
-                | count
+                | length
             "#
         ));
 

crates/nu-command/tests/format_conversions/vcf.rs

@@ -35,7 +35,7 @@ fn infers_types() {
             cwd: dirs.test(), pipeline(
             r#"
                 open contacts.vcf
-                | count
+                | length
             "#
         ));
 

docs/commands/length.md

@@ -1,4 +1,4 @@
-# count
+# length
 
 Obtain the row or column count of a table.
 
@@ -36,31 +36,31 @@ Obtain the row or column count of a table.
 ────┴────────────────────┴──────┴──────────┴──────────────
 ```
 
-By default, `count` will return the number of rows in a table
+By default, `length` will return the number of rows in a table
 
 ```shell
-> ls | count
+> ls | length
 20
 ```
 
 The `-c` flag will produce a count of the columns in the table
 
 ```shell
-> ls | count -c
+> ls | length -c
 4
 ```
 
 ```shell
-> ls | where type == File | count
+> ls | where type == File | length
 11
 ```
 
 ```shell
-> ls | where type == Dir | count
+> ls | where type == Dir | length
 9
 ```
 
 ```shell
-> ls | where size > 2KB | count
+> ls | where size > 2KB | length
 4
 ```

tests/fixtures/formats/script_multiline.nu

@@ -1,2 +1,2 @@
-echo [1 4] | count
-echo [2 3 5] | count
+echo [1 4] | length
+echo [2 3 5] | length

tests/shell/environment/nu_env.rs

@@ -207,7 +207,7 @@ fn given_a_trusted_directory_with_entry_scripts_when_entering_a_subdirectory_ent
         let actual = Trusted::in_path(&dirs, || {
             nu!(cwd: dirs.test(), r#"
                 cd time_to_cook_arepas
-                ls | where name == "hello.txt" | count
+                ls | where name == "hello.txt" | length
             "#)
         });
 
@@ -238,7 +238,7 @@ fn given_a_trusted_directory_with_exit_scripts_when_entering_a_subdirectory_exit
         let actual = Trusted::in_path(&dirs, || {
             nu!(cwd: dirs.test(), r#"
                 cd time_to_cook_arepas
-                ls | where name == "bye.txt" | count
+                ls | where name == "bye.txt" | length
             "#)
         });
 

tests/shell/pipeline/commands/external.rs

@@ -126,7 +126,7 @@ mod it_evaluation {
         let actual = nu!(
             cwd: ".",
             r#"
-                nu --testbin repeater c 8197 | lines | count
+                nu --testbin repeater c 8197 | lines | length
             "#
         );
 
@@ -165,7 +165,7 @@ mod stdin_evaluation {
             cwd: ".",
             pipeline(r#"
                 nu --testbin nonu "where's the nuline?"
-                | count
+                | length
             "#
         ));