class PrettyTable::Table

• PrettyTable::Table
• Reference
• Object

Defined in:

Constructors

• .new(headers : Array(String))

  Create a new Table with the specified headers.

• .new

  Creates a new Table with no headers.

Class Method Summary

• .from_csv(csv_file : String, sep : Char = ',') : PrettyTable::Table

  Returns a table created based on data from a .csv file.

Instance Method Summary

• #-(other : PrettyTable::Table) : PrettyTable::Table

  Returns a new Table that is a copy of self, removing any items that appear in other.

• #<<(row : Array(String))

  Adds a row to the table.

• #<<(rows : Array(Array(String)))

  Adds multiple rows to the table.

• #[](idx : Int32) : Array(String)

  Returns the row at index idx.

• #[](range : Range) : Array(Array(String))

  Returns all rows within the given range.

• #[](key : String) : Array(String)

  Returns table column [key].

• #[]=(idx : Int32, value : Array(String))

  Updates the row at the given index.

• #add_column(column_name : String, column_data : Array(String))

  Appends a new column to self.

• #add_row(row : Array(String))

  Adds a row to the table.

• #add_rows(rows : Array(Array(String)))

  Adds multiple rows to the table.

• #clear

  Removes all rows from self.

• #delete_row(idx : Int32) : Array(String)

  Removes a row from the table, returning that row.

• #empty? : Bool

  Returns true if self is empty, false otherwise.

• #headers : Array(String)

  Returns the table headers.

• #remove_column(column_name : String) : Array(String)

  Removes a column from self and returns the data from the removed column.

• #rows : Array(Array(String))

  Returns the rows in the table.

• #select(columns : Array(String)) : PrettyTable::Table

  Returns a new Table with the given columns.

• #set_headers(headers : Array(String))

  Sets the table headers.

• #sort(column : String, asc_order = true) : PrettyTable::Table

  Sorts a table based on the given column and returns a new Table.

• #sort(&block : Array(String), Array(String) -> Int32) : PrettyTable::Table

  Returns a new Table with rows sorted based on the comparator in the given block.

• #to_csv(filename : String, sep : Char = ',')

  Saves the table to a .csv file.

• #to_h : Hash(String, Array(String))

  Returns the table as a hash.

• #to_json : String

  Serializes the table into JSON.

• #to_s(io : IO) : Nil

  Writes the table to io.

Constructor Detail

Class Method Detail

Instance Method Detail

table = PrettyTable::Table.new(["id", "name", "age"])

+----+------+-----+
| id | name | age |
+----+------+-----+

table.select(["name", "age"])

+------+-----+
| name | age |
+------+-----+

+-----+------+
| age | name |
+-----+------+