irb(main):001:0> require "roo"
=> true
irb(main):002:0> Roo::VERSION
=> "2.7.1"
irb(main):003:0> file = "/path/to/with_hyperlink_sample.xlsx"
=> "/path/to/with_hyperlink_sample.xlsx"
irb(main):004:0> excel = Roo::Excelx.new(file)
=> <#Roo::Excelx:1777751165347360 @tmpdir @shared @filename @sheet_files @sheet_names @sheets @sheets_by_name @options @cell @cell_type @cells_read @first_row @last_row @first_column @last_column @header_line>
irb(main):005:0> excel.map(&:itself)
=> [["mail"], ["example001@example.com"], ["example002@example.com"]]
irb(main):006:0> excel.sheet_for(nil).hyperlinks
=> {[2, 1]=>"mailto:example001@example.com", [3, 1]=>"mailto:example002@example.com"}
irb(main):007:0> excel.to_csv
=> "\"mail\"\n\"mailto:example001@example.com\"\n\"mailto:example002@example.com\"\n"
irb(main):008:0> excel.row(2).to_csv
=> "example001@example.com\n"
irb(main):009:0> excel.column(1).to_csv
=> "mail,example001@example.com,example002@example.com\n"
irb(main):010:0> excel.to_yaml
=> "--- \ncell_1_1: \n  row: 1 \n  col: 1 \n  celltype: string \n  value: mail \ncell_2_1: \n  row: 2 \n  col: 1 \n  celltype: link \n  value: example001@example.com \ncell_3_1: \n  row: 3 \n  col: 1 \n  celltype: link \n  value: example002@example.com \n"
# ---
# cell_1_1:
#   row: 1
#   col: 1
#   celltype: string
#   value: mail
# cell_2_1:
#   row: 2
#   col: 1
#   celltype: link
#   value: example001@example.com
# cell_3_1:
#   row: 3
#   col: 1
#   celltype: link
#   value: example002@example.com