Uniformize usage() and extra_usage() message ending for commands helper. (#8268)

# Description

Working on uniformizing the ending messages regarding methods usage()
and extra_usage(). This is related to the issue
https://github.com/nushell/nushell/issues/5066 after discussing it with
@jntrnr

# User-Facing Changes

None.

# Tests + Formatting

Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass

# After Submitting

If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.

crates/nu-command/src/bits/and.rs

@@ -26,7 +26,7 @@ impl Command for SubCommand {
     }
 
     fn usage(&self) -> &str {
-        "Performs bitwise and for integers"
+        "Performs bitwise and for integers."
     }
 
     fn search_terms(&self) -> Vec<&str> {

crates/nu-command/src/bits/bits_.rs

@@ -20,7 +20,7 @@ impl Command for Bits {
     }
 
     fn usage(&self) -> &str {
-        "Various commands for working with bits"
+        "Various commands for working with bits."
     }
 
     fn extra_usage(&self) -> &str {

crates/nu-command/src/bits/not.rs

@@ -33,7 +33,7 @@ impl Command for SubCommand {
     }
 
     fn usage(&self) -> &str {
-        "Performs logical negation on each bit"
+        "Performs logical negation on each bit."
     }
 
     fn search_terms(&self) -> Vec<&str> {

crates/nu-command/src/bits/or.rs

@@ -26,7 +26,7 @@ impl Command for SubCommand {
     }
 
     fn usage(&self) -> &str {
-        "Performs bitwise or for integers"
+        "Performs bitwise or for integers."
     }
 
     fn search_terms(&self) -> Vec<&str> {

crates/nu-command/src/bits/rotate_left.rs

@@ -36,7 +36,7 @@ impl Command for SubCommand {
     }
 
     fn usage(&self) -> &str {
-        "Bitwise rotate left for integers"
+        "Bitwise rotate left for integers."
     }
 
     fn search_terms(&self) -> Vec<&str> {

crates/nu-command/src/bits/rotate_right.rs

@@ -36,7 +36,7 @@ impl Command for SubCommand {
     }
 
     fn usage(&self) -> &str {
-        "Bitwise rotate right for integers"
+        "Bitwise rotate right for integers."
     }
 
     fn search_terms(&self) -> Vec<&str> {

crates/nu-command/src/bits/shift_left.rs

@@ -36,7 +36,7 @@ impl Command for SubCommand {
     }
 
     fn usage(&self) -> &str {
-        "Bitwise shift left for integers"
+        "Bitwise shift left for integers."
     }
 
     fn search_terms(&self) -> Vec<&str> {

crates/nu-command/src/bits/shift_right.rs

@@ -36,7 +36,7 @@ impl Command for SubCommand {
     }
 
     fn usage(&self) -> &str {
-        "Bitwise shift right for integers"
+        "Bitwise shift right for integers."
     }
 
     fn search_terms(&self) -> Vec<&str> {

crates/nu-command/src/bits/xor.rs

@@ -26,7 +26,7 @@ impl Command for SubCommand {
     }
 
     fn usage(&self) -> &str {
-        "Performs bitwise xor for integers"
+        "Performs bitwise xor for integers."
     }
 
     fn search_terms(&self) -> Vec<&str> {

crates/nu-command/src/bytes/add.rs

@@ -49,7 +49,7 @@ impl Command for BytesAdd {
     }
 
     fn usage(&self) -> &str {
-        "Add specified bytes to the input"
+        "Add specified bytes to the input."
     }
 
     fn search_terms(&self) -> Vec<&str> {

crates/nu-command/src/bytes/bytes_.rs

@@ -20,7 +20,7 @@ impl Command for Bytes {
     }
 
     fn usage(&self) -> &str {
-        "Various commands for working with byte data"
+        "Various commands for working with byte data."
     }
 
     fn extra_usage(&self) -> &str {

crates/nu-command/src/bytes/collect.rs

@@ -26,7 +26,7 @@ impl Command for BytesCollect {
     }
 
     fn usage(&self) -> &str {
-        "Concatenate multiple binary into a single binary, with an optional separator between each"
+        "Concatenate multiple binary into a single binary, with an optional separator between each."
     }
 
     fn search_terms(&self) -> Vec<&str> {

crates/nu-command/src/bytes/ends_with.rs

@@ -39,7 +39,7 @@ impl Command for BytesEndsWith {
     }
 
     fn usage(&self) -> &str {
-        "Check if bytes ends with a pattern"
+        "Check if bytes ends with a pattern."
     }
 
     fn search_terms(&self) -> Vec<&str> {

crates/nu-command/src/bytes/index_of.rs

@@ -49,7 +49,7 @@ impl Command for BytesIndexOf {
     }
 
     fn usage(&self) -> &str {
-        "Returns start index of first occurrence of pattern in bytes, or -1 if no match"
+        "Returns start index of first occurrence of pattern in bytes, or -1 if no match."
     }
 
     fn search_terms(&self) -> Vec<&str> {

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

@@ -27,7 +27,7 @@ impl Command for BytesLen {
     }
 
     fn usage(&self) -> &str {
-        "Output the length of any bytes in the pipeline"
+        "Output the length of any bytes in the pipeline."
     }
 
     fn search_terms(&self) -> Vec<&str> {

crates/nu-command/src/bytes/remove.rs

@@ -43,7 +43,7 @@ impl Command for BytesRemove {
     }
 
     fn usage(&self) -> &str {
-        "Remove bytes"
+        "Remove bytes."
     }
 
     fn search_terms(&self) -> Vec<&str> {

crates/nu-command/src/bytes/replace.rs

@@ -43,7 +43,7 @@ impl Command for BytesReplace {
     }
 
     fn usage(&self) -> &str {
-        "Find and replace binary"
+        "Find and replace binary."
     }
 
     fn search_terms(&self) -> Vec<&str> {

crates/nu-command/src/bytes/reverse.rs

@@ -27,7 +27,7 @@ impl Command for BytesReverse {
     }
 
     fn usage(&self) -> &str {
-        "Reverse the bytes in the pipeline"
+        "Reverse the bytes in the pipeline."
     }
 
     fn search_terms(&self) -> Vec<&str> {

crates/nu-command/src/bytes/starts_with.rs

@@ -40,7 +40,7 @@ impl Command for BytesStartsWith {
     }
 
     fn usage(&self) -> &str {
-        "Check if bytes starts with a pattern"
+        "Check if bytes starts with a pattern."
     }
 
     fn search_terms(&self) -> Vec<&str> {

crates/nu-command/src/conversions/fill.rs

@@ -37,7 +37,7 @@ impl Command for Fill {
     }
 
     fn usage(&self) -> &str {
-        "Fill and Align"
+        "Fill and Align."
     }
 
     fn signature(&self) -> nu_protocol::Signature {

crates/nu-command/src/conversions/fmt.rs

@@ -15,7 +15,7 @@ impl Command for Fmt {
     }
 
     fn usage(&self) -> &str {
-        "Format a number"
+        "Format a number."
     }
 
     fn signature(&self) -> nu_protocol::Signature {

crates/nu-command/src/conversions/into/binary.rs

@@ -36,7 +36,7 @@ impl Command for SubCommand {
     }
 
     fn usage(&self) -> &str {
-        "Convert value to a binary primitive"
+        "Convert value to a binary primitive."
     }
 
     fn search_terms(&self) -> Vec<&str> {

crates/nu-command/src/conversions/into/bool.rs

@@ -32,7 +32,7 @@ impl Command for SubCommand {
     }
 
     fn usage(&self) -> &str {
-        "Convert value to boolean"
+        "Convert value to boolean."
     }
 
     fn search_terms(&self) -> Vec<&str> {

crates/nu-command/src/conversions/into/datetime.rs

@@ -139,7 +139,7 @@ impl Command for SubCommand {
     }
 
     fn usage(&self) -> &str {
-        "Convert text into a datetime"
+        "Convert text into a datetime."
     }
 
     fn search_terms(&self) -> Vec<&str> {

crates/nu-command/src/conversions/into/decimal.rs

@@ -28,7 +28,7 @@ impl Command for SubCommand {
     }
 
     fn usage(&self) -> &str {
-        "Convert text into a decimal"
+        "Convert text into a decimal."
     }
 
     fn search_terms(&self) -> Vec<&str> {

crates/nu-command/src/conversions/into/duration.rs

@@ -39,7 +39,7 @@ impl Command for SubCommand {
     }
 
     fn usage(&self) -> &str {
-        "Convert value to duration"
+        "Convert value to duration."
     }
 
     fn extra_usage(&self) -> &str {

crates/nu-command/src/conversions/into/filesize.rs

@@ -31,7 +31,7 @@ impl Command for SubCommand {
     }
 
     fn usage(&self) -> &str {
-        "Convert value to filesize"
+        "Convert value to filesize."
     }
 
     fn search_terms(&self) -> Vec<&str> {

crates/nu-command/src/conversions/into/int.rs

@@ -49,7 +49,7 @@ impl Command for SubCommand {
     }
 
     fn usage(&self) -> &str {
-        "Convert value to integer"
+        "Convert value to integer."
     }
 
     fn search_terms(&self) -> Vec<&str> {

crates/nu-command/src/conversions/into/record.rs

@@ -27,7 +27,7 @@ impl Command for SubCommand {
     }
 
     fn usage(&self) -> &str {
-        "Convert value to record"
+        "Convert value to record."
     }
 
     fn search_terms(&self) -> Vec<&str> {

crates/nu-command/src/conversions/into/string.rs

@@ -57,7 +57,7 @@ impl Command for SubCommand {
     }
 
     fn usage(&self) -> &str {
-        "Convert value to string"
+        "Convert value to string."
     }
 
     fn search_terms(&self) -> Vec<&str> {

crates/nu-command/src/database/commands/into_sqlite.rs

@@ -48,7 +48,7 @@ impl Command for IntoSqliteDb {
     }
 
     fn usage(&self) -> &str {
-        "Convert table into a SQLite database"
+        "Convert table into a SQLite database."
     }
 
     fn search_terms(&self) -> Vec<&str> {

crates/nu-command/src/dataframe/eager/append.rs

@@ -16,7 +16,7 @@ impl Command for AppendDF {
     }
 
     fn usage(&self) -> &str {
-        "Appends a new dataframe"
+        "Appends a new dataframe."
     }
 
     fn signature(&self) -> Signature {

crates/nu-command/src/dataframe/eager/columns.rs

@@ -14,7 +14,7 @@ impl Command for ColumnsDF {
     }
 
     fn usage(&self) -> &str {
-        "Show dataframe columns"
+        "Show dataframe columns."
     }
 
     fn signature(&self) -> Signature {

crates/nu-command/src/dataframe/eager/drop.rs

@@ -17,7 +17,7 @@ impl Command for DropDF {
     }
 
     fn usage(&self) -> &str {
-        "Creates a new dataframe by dropping the selected columns"
+        "Creates a new dataframe by dropping the selected columns."
     }
 
     fn signature(&self) -> Signature {

crates/nu-command/src/dataframe/eager/drop_duplicates.rs

@@ -18,7 +18,7 @@ impl Command for DropDuplicates {
     }
 
     fn usage(&self) -> &str {
-        "Drops duplicate values in dataframe"
+        "Drops duplicate values in dataframe."
     }
 
     fn signature(&self) -> Signature {

crates/nu-command/src/dataframe/eager/drop_nulls.rs

@@ -17,7 +17,7 @@ impl Command for DropNulls {
     }
 
     fn usage(&self) -> &str {
-        "Drops null values in dataframe"
+        "Drops null values in dataframe."
     }
 
     fn signature(&self) -> Signature {

crates/nu-command/src/dataframe/eager/dtypes.rs

@@ -14,7 +14,7 @@ impl Command for DataTypes {
     }
 
     fn usage(&self) -> &str {
-        "Show dataframe data types"
+        "Show dataframe data types."
     }
 
     fn signature(&self) -> Signature {

crates/nu-command/src/dataframe/eager/dummies.rs

@@ -15,7 +15,7 @@ impl Command for Dummies {
     }
 
     fn usage(&self) -> &str {
-        "Creates a new dataframe with dummy variables"
+        "Creates a new dataframe with dummy variables."
     }
 
     fn signature(&self) -> Signature {

crates/nu-command/src/dataframe/eager/filter_with.rs

@@ -19,7 +19,7 @@ impl Command for FilterWith {
     }
 
     fn usage(&self) -> &str {
-        "Filters dataframe using a mask or expression as reference"
+        "Filters dataframe using a mask or expression as reference."
     }
 
     fn signature(&self) -> Signature {

crates/nu-command/src/dataframe/eager/get.rs

@@ -18,7 +18,7 @@ impl Command for GetDF {
     }
 
     fn usage(&self) -> &str {
-        "Creates dataframe with the selected columns"
+        "Creates dataframe with the selected columns."
     }
 
     fn signature(&self) -> Signature {

crates/nu-command/src/dataframe/eager/last.rs

@@ -15,7 +15,7 @@ impl Command for LastDF {
     }
 
     fn usage(&self) -> &str {
-        "Creates new dataframe with tail rows or creates a last expression"
+        "Creates new dataframe with tail rows or creates a last expression."
     }
 
     fn signature(&self) -> Signature {

crates/nu-command/src/dataframe/eager/list.rs

@@ -15,7 +15,7 @@ impl Command for ListDF {
     }
 
     fn usage(&self) -> &str {
-        "Lists stored dataframes"
+        "Lists stored dataframes."
     }
 
     fn signature(&self) -> Signature {

crates/nu-command/src/dataframe/eager/melt.rs

@@ -19,7 +19,7 @@ impl Command for MeltDF {
     }
 
     fn usage(&self) -> &str {
-        "Unpivot a DataFrame from wide to long format"
+        "Unpivot a DataFrame from wide to long format."
     }
 
     fn signature(&self) -> Signature {

crates/nu-command/src/dataframe/eager/open.rs

@@ -22,7 +22,7 @@ impl Command for OpenDataFrame {
     }
 
     fn usage(&self) -> &str {
-        "Opens csv, json, arrow, or parquet file to create dataframe"
+        "Opens csv, json, arrow, or parquet file to create dataframe."
     }
 
     fn signature(&self) -> Signature {

crates/nu-command/src/dataframe/eager/rename.rs

@@ -18,7 +18,7 @@ impl Command for RenameDF {
     }
 
     fn usage(&self) -> &str {
-        "Rename a dataframe column"
+        "Rename a dataframe column."
     }
 
     fn signature(&self) -> Signature {

crates/nu-command/src/dataframe/eager/sample.rs

@@ -16,7 +16,7 @@ impl Command for SampleDF {
     }
 
     fn usage(&self) -> &str {
-        "Create sample dataframe"
+        "Create sample dataframe."
     }
 
     fn signature(&self) -> Signature {

crates/nu-command/src/dataframe/eager/shape.rs

@@ -17,7 +17,7 @@ impl Command for ShapeDF {
     }
 
     fn usage(&self) -> &str {
-        "Shows column and row size for a dataframe"
+        "Shows column and row size for a dataframe."
     }
 
     fn signature(&self) -> Signature {

crates/nu-command/src/dataframe/eager/slice.rs

@@ -18,7 +18,7 @@ impl Command for SliceDF {
     }
 
     fn usage(&self) -> &str {
-        "Creates new dataframe from a slice of rows"
+        "Creates new dataframe from a slice of rows."
     }
 
     fn signature(&self) -> Signature {

crates/nu-command/src/dataframe/eager/take.rs

@@ -19,7 +19,7 @@ impl Command for TakeDF {
     }
 
     fn usage(&self) -> &str {
-        "Creates new dataframe using the given indices"
+        "Creates new dataframe using the given indices."
     }
 
     fn signature(&self) -> Signature {

crates/nu-command/src/dataframe/eager/to_arrow.rs

@@ -19,7 +19,7 @@ impl Command for ToArrow {
     }
 
     fn usage(&self) -> &str {
-        "Saves dataframe to arrow file"
+        "Saves dataframe to arrow file."
     }
 
     fn signature(&self) -> Signature {

crates/nu-command/src/dataframe/eager/to_csv.rs

@@ -19,7 +19,7 @@ impl Command for ToCSV {
     }
 
     fn usage(&self) -> &str {
-        "Saves dataframe to csv file"
+        "Saves dataframe to csv file."
     }
 
     fn signature(&self) -> Signature {

crates/nu-command/src/dataframe/eager/to_df.rs

@@ -15,7 +15,7 @@ impl Command for ToDataFrame {
     }
 
     fn usage(&self) -> &str {
-        "Converts a list, table or record into a dataframe"
+        "Converts a list, table or record into a dataframe."
     }
 
     fn signature(&self) -> Signature {

crates/nu-command/src/dataframe/eager/to_nu.rs

@@ -16,7 +16,7 @@ impl Command for ToNu {
     }
 
     fn usage(&self) -> &str {
-        "Converts a section of the dataframe into nushell Table"
+        "Converts a section of the dataframe into nushell Table."
     }
 
     fn signature(&self) -> Signature {

crates/nu-command/src/dataframe/eager/to_parquet.rs

@@ -19,7 +19,7 @@ impl Command for ToParquet {
     }
 
     fn usage(&self) -> &str {
-        "Saves dataframe to parquet file"
+        "Saves dataframe to parquet file."
     }
 
     fn signature(&self) -> Signature {

crates/nu-command/src/dataframe/eager/with_column.rs

@@ -16,7 +16,7 @@ impl Command for WithColumn {
     }
 
     fn usage(&self) -> &str {
-        "Adds a series to the dataframe"
+        "Adds a series to the dataframe."
     }
 
     fn signature(&self) -> Signature {

crates/nu-command/src/dataframe/expressions/alias.rs

@@ -16,7 +16,7 @@ impl Command for ExprAlias {
     }
 
     fn usage(&self) -> &str {
-        "Creates an alias expression"
+        "Creates an alias expression."
     }
 
     fn signature(&self) -> Signature {

crates/nu-command/src/dataframe/expressions/arg_where.rs

@@ -16,7 +16,7 @@ impl Command for ExprArgWhere {
     }
 
     fn usage(&self) -> &str {
-        "Creates an expression that returns the arguments where expression is true"
+        "Creates an expression that returns the arguments where expression is true."
     }
 
     fn signature(&self) -> Signature {

crates/nu-command/src/dataframe/expressions/as_nu.rs

@@ -15,7 +15,7 @@ impl Command for ExprAsNu {
     }
 
     fn usage(&self) -> &str {
-        "Convert expression into a nu value for access and exploration"
+        "Convert expression into a nu value for access and exploration."
     }
 
     fn signature(&self) -> Signature {

crates/nu-command/src/dataframe/expressions/col.rs

@@ -16,7 +16,7 @@ impl Command for ExprCol {
     }
 
     fn usage(&self) -> &str {
-        "Creates a named column expression"
+        "Creates a named column expression."
     }
 
     fn signature(&self) -> Signature {

crates/nu-command/src/dataframe/expressions/concat_str.rs

@@ -16,7 +16,7 @@ impl Command for ExprConcatStr {
     }
 
     fn usage(&self) -> &str {
-        "Creates a concat string expression"
+        "Creates a concat string expression."
     }
 
     fn signature(&self) -> Signature {

crates/nu-command/src/dataframe/expressions/is_in.rs

@@ -16,7 +16,7 @@ impl Command for ExprIsIn {
     }
 
     fn usage(&self) -> &str {
-        "Creates an is-in expression"
+        "Creates an is-in expression."
     }
 
     fn signature(&self) -> Signature {

crates/nu-command/src/dataframe/expressions/lit.rs

@@ -15,7 +15,7 @@ impl Command for ExprLit {
     }
 
     fn usage(&self) -> &str {
-        "Creates a literal expression"
+        "Creates a literal expression."
     }
 
     fn signature(&self) -> Signature {

crates/nu-command/src/dataframe/expressions/otherwise.rs

@@ -15,7 +15,7 @@ impl Command for ExprOtherwise {
     }
 
     fn usage(&self) -> &str {
-        "completes a when expression"
+        "completes a when expression."
     }
 
     fn signature(&self) -> Signature {

crates/nu-command/src/dataframe/expressions/quantile.rs

@@ -16,7 +16,7 @@ impl Command for ExprQuantile {
     }
 
     fn usage(&self) -> &str {
-        "Aggregates the columns to the selected quantile"
+        "Aggregates the columns to the selected quantile."
     }
 
     fn signature(&self) -> Signature {

crates/nu-command/src/dataframe/expressions/when.rs

@@ -16,7 +16,7 @@ impl Command for ExprWhen {
     }
 
     fn usage(&self) -> &str {
-        "Creates and modifies a when expression"
+        "Creates and modifies a when expression."
     }
 
     fn signature(&self) -> Signature {

crates/nu-command/src/dataframe/lazy/aggregate.rs

@@ -17,7 +17,7 @@ impl Command for LazyAggregate {
     }
 
     fn usage(&self) -> &str {
-        "Performs a series of aggregations from a group-by"
+        "Performs a series of aggregations from a group-by."
     }
 
     fn signature(&self) -> Signature {

crates/nu-command/src/dataframe/lazy/collect.rs

@@ -16,7 +16,7 @@ impl Command for LazyCollect {
     }
 
     fn usage(&self) -> &str {
-        "Collect lazy dataframe into eager dataframe"
+        "Collect lazy dataframe into eager dataframe."
     }
 
     fn signature(&self) -> Signature {

crates/nu-command/src/dataframe/lazy/fetch.rs

@@ -16,7 +16,7 @@ impl Command for LazyFetch {
     }
 
     fn usage(&self) -> &str {
-        "collects the lazyframe to the selected rows"
+        "collects the lazyframe to the selected rows."
     }
 
     fn signature(&self) -> Signature {

crates/nu-command/src/dataframe/lazy/fill_nan.rs

@@ -15,7 +15,7 @@ impl Command for LazyFillNA {
     }
 
     fn usage(&self) -> &str {
-        "Replaces NaN values with the given expression"
+        "Replaces NaN values with the given expression."
     }
 
     fn signature(&self) -> Signature {

crates/nu-command/src/dataframe/lazy/fill_null.rs

@@ -15,7 +15,7 @@ impl Command for LazyFillNull {
     }
 
     fn usage(&self) -> &str {
-        "Replaces NULL values with the given expression"
+        "Replaces NULL values with the given expression."
     }
 
     fn signature(&self) -> Signature {

crates/nu-command/src/dataframe/lazy/filter.rs

@@ -16,7 +16,7 @@ impl Command for LazyFilter {
     }
 
     fn usage(&self) -> &str {
-        "Filter dataframe based in expression"
+        "Filter dataframe based in expression."
     }
 
     fn signature(&self) -> Signature {

crates/nu-command/src/dataframe/lazy/groupby.rs

@@ -16,7 +16,7 @@ impl Command for ToLazyGroupBy {
     }
 
     fn usage(&self) -> &str {
-        "Creates a group-by object that can be used for other aggregations"
+        "Creates a group-by object that can be used for other aggregations."
     }
 
     fn signature(&self) -> Signature {

crates/nu-command/src/dataframe/lazy/join.rs

@@ -16,7 +16,7 @@ impl Command for LazyJoin {
     }
 
     fn usage(&self) -> &str {
-        "Joins a lazy frame with other lazy frame"
+        "Joins a lazy frame with other lazy frame."
     }
 
     fn signature(&self) -> Signature {

crates/nu-command/src/dataframe/lazy/quantile.rs

@@ -16,7 +16,7 @@ impl Command for LazyQuantile {
     }
 
     fn usage(&self) -> &str {
-        "Aggregates the columns to the selected quantile"
+        "Aggregates the columns to the selected quantile."
     }
 
     fn signature(&self) -> Signature {

crates/nu-command/src/dataframe/lazy/select.rs

@@ -15,7 +15,7 @@ impl Command for LazySelect {
     }
 
     fn usage(&self) -> &str {
-        "Selects columns from lazyframe"
+        "Selects columns from lazyframe."
     }
 
     fn signature(&self) -> Signature {

crates/nu-command/src/dataframe/lazy/sort_by_expr.rs

@@ -16,7 +16,7 @@ impl Command for LazySortBy {
     }
 
     fn usage(&self) -> &str {
-        "sorts a lazy dataframe based on expression(s)"
+        "sorts a lazy dataframe based on expression(s)."
     }
 
     fn signature(&self) -> Signature {

crates/nu-command/src/dataframe/lazy/to_lazy.rs

@@ -15,7 +15,7 @@ impl Command for ToLazyFrame {
     }
 
     fn usage(&self) -> &str {
-        "Converts a dataframe into a lazy dataframe"
+        "Converts a dataframe into a lazy dataframe."
     }
 
     fn signature(&self) -> Signature {

crates/nu-command/src/dataframe/series/all_false.rs

@@ -15,7 +15,7 @@ impl Command for AllFalse {
     }
 
     fn usage(&self) -> &str {
-        "Returns true if all values are false"
+        "Returns true if all values are false."
     }
 
     fn signature(&self) -> Signature {

crates/nu-command/src/dataframe/series/all_true.rs

@@ -15,7 +15,7 @@ impl Command for AllTrue {
     }
 
     fn usage(&self) -> &str {
-        "Returns true if all values are true"
+        "Returns true if all values are true."
     }
 
     fn signature(&self) -> Signature {

crates/nu-command/src/dataframe/series/arg_max.rs

@@ -16,7 +16,7 @@ impl Command for ArgMax {
     }
 
     fn usage(&self) -> &str {
-        "Return index for max value in series"
+        "Return index for max value in series."
     }
 
     fn search_terms(&self) -> Vec<&str> {

crates/nu-command/src/dataframe/series/arg_min.rs

@@ -16,7 +16,7 @@ impl Command for ArgMin {
     }
 
     fn usage(&self) -> &str {
-        "Return index for min value in series"
+        "Return index for min value in series."
     }
 
     fn search_terms(&self) -> Vec<&str> {

crates/nu-command/src/dataframe/series/cumulative.rs

@@ -49,7 +49,7 @@ impl Command for Cumulative {
     }
 
     fn usage(&self) -> &str {
-        "Cumulative calculation for a series"
+        "Cumulative calculation for a series."
     }
 
     fn signature(&self) -> Signature {

crates/nu-command/src/dataframe/series/date/get_day.rs

@@ -16,7 +16,7 @@ impl Command for GetDay {
     }
 
     fn usage(&self) -> &str {
-        "Gets day from date"
+        "Gets day from date."
     }
 
     fn signature(&self) -> Signature {

crates/nu-command/src/dataframe/series/date/get_hour.rs

@@ -16,7 +16,7 @@ impl Command for GetHour {
     }
 
     fn usage(&self) -> &str {
-        "Gets hour from date"
+        "Gets hour from date."
     }
 
     fn signature(&self) -> Signature {

crates/nu-command/src/dataframe/series/date/get_minute.rs

@@ -16,7 +16,7 @@ impl Command for GetMinute {
     }
 
     fn usage(&self) -> &str {
-        "Gets minute from date"
+        "Gets minute from date."
     }
 
     fn signature(&self) -> Signature {

crates/nu-command/src/dataframe/series/date/get_month.rs

@@ -16,7 +16,7 @@ impl Command for GetMonth {
     }
 
     fn usage(&self) -> &str {
-        "Gets month from date"
+        "Gets month from date."
     }
 
     fn signature(&self) -> Signature {

crates/nu-command/src/dataframe/series/date/get_nanosecond.rs

@@ -16,7 +16,7 @@ impl Command for GetNanosecond {
     }
 
     fn usage(&self) -> &str {
-        "Gets nanosecond from date"
+        "Gets nanosecond from date."
     }
 
     fn signature(&self) -> Signature {

crates/nu-command/src/dataframe/series/date/get_ordinal.rs

@@ -16,7 +16,7 @@ impl Command for GetOrdinal {
     }
 
     fn usage(&self) -> &str {
-        "Gets ordinal from date"
+        "Gets ordinal from date."
     }
 
     fn signature(&self) -> Signature {

crates/nu-command/src/dataframe/series/date/get_second.rs

@@ -16,7 +16,7 @@ impl Command for GetSecond {
     }
 
     fn usage(&self) -> &str {
-        "Gets second from date"
+        "Gets second from date."
     }
 
     fn signature(&self) -> Signature {

crates/nu-command/src/dataframe/series/date/get_week.rs

@@ -16,7 +16,7 @@ impl Command for GetWeek {
     }
 
     fn usage(&self) -> &str {
-        "Gets week from date"
+        "Gets week from date."
     }
 
     fn signature(&self) -> Signature {

crates/nu-command/src/dataframe/series/date/get_weekday.rs

@@ -16,7 +16,7 @@ impl Command for GetWeekDay {
     }
 
     fn usage(&self) -> &str {
-        "Gets weekday from date"
+        "Gets weekday from date."
     }
 
     fn signature(&self) -> Signature {

crates/nu-command/src/dataframe/series/date/get_year.rs

@@ -16,7 +16,7 @@ impl Command for GetYear {
     }
 
     fn usage(&self) -> &str {
-        "Gets year from date"
+        "Gets year from date."
     }
 
     fn signature(&self) -> Signature {

crates/nu-command/src/dataframe/series/indexes/arg_sort.rs

@@ -16,7 +16,7 @@ impl Command for ArgSort {
     }
 
     fn usage(&self) -> &str {
-        "Returns indexes for a sorted series"
+        "Returns indexes for a sorted series."
     }
 
     fn search_terms(&self) -> Vec<&str> {

crates/nu-command/src/dataframe/series/indexes/arg_true.rs

@@ -16,7 +16,7 @@ impl Command for ArgTrue {
     }
 
     fn usage(&self) -> &str {
-        "Returns indexes where values are true"
+        "Returns indexes where values are true."
     }
 
     fn search_terms(&self) -> Vec<&str> {

crates/nu-command/src/dataframe/series/indexes/arg_unique.rs

@@ -16,7 +16,7 @@ impl Command for ArgUnique {
     }
 
     fn usage(&self) -> &str {
-        "Returns indexes for unique values"
+        "Returns indexes for unique values."
     }
 
     fn search_terms(&self) -> Vec<&str> {

crates/nu-command/src/dataframe/series/indexes/set_with_idx.rs

@@ -17,7 +17,7 @@ impl Command for SetWithIndex {
     }
 
     fn usage(&self) -> &str {
-        "Sets value in the given index"
+        "Sets value in the given index."
     }
 
     fn signature(&self) -> Signature {

crates/nu-command/src/dataframe/series/masks/is_duplicated.rs

@@ -16,7 +16,7 @@ impl Command for IsDuplicated {
     }
 
     fn usage(&self) -> &str {
-        "Creates mask indicating duplicated values"
+        "Creates mask indicating duplicated values."
     }
 
     fn signature(&self) -> Signature {

crates/nu-command/src/dataframe/series/masks/is_in.rs

@@ -17,7 +17,7 @@ impl Command for IsIn {
     }
 
     fn usage(&self) -> &str {
-        "Checks if elements from a series are contained in right series"
+        "Checks if elements from a series are contained in right series."
     }
 
     fn signature(&self) -> Signature {

crates/nu-command/src/dataframe/series/masks/is_not_null.rs

@@ -15,7 +15,7 @@ impl Command for IsNotNull {
     }
 
     fn usage(&self) -> &str {
-        "Creates mask where value is not null"
+        "Creates mask where value is not null."
     }
 
     fn signature(&self) -> Signature {

crates/nu-command/src/dataframe/series/masks/is_null.rs

@@ -15,7 +15,7 @@ impl Command for IsNull {
     }
 
     fn usage(&self) -> &str {
-        "Creates mask where value is null"
+        "Creates mask where value is null."
     }
 
     fn signature(&self) -> Signature {