Module: RemoteTable::Format::Textual

Included in:
Delimited, FixedWidth, HTML
Defined in:
lib/remote_table/format/mixins/textual.rb

Constant Summary collapse

USELESS_CHARACTERS = 
[
  '\xef\xbb\xbf',   # UTF-8 byte order mark
  '\xc2\xad'        # soft hyphen, often inserted by MS Office (html: ­)
]

Instance Method Summary collapse

Instance Method Details

#convert_file_to_utf8! ⇒ Object 



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# File 'lib/remote_table/format/mixins/textual.rb', line 6

def convert_file_to_utf8!
  ::RemoteTable.executor.bang t.local_file.path, "iconv -c -f #{::Escape.shell_single_word t.properties.encoding} -t UTF-8"
end

#crop_rows! ⇒ Object 



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# File 'lib/remote_table/format/mixins/textual.rb', line 23

def crop_rows!
  return unless t.properties.crop
  ::RemoteTable.executor.bang t.local_file.path, "tail -n +#{::Escape.shell_single_word t.properties.crop.first.to_s} | head -n #{t.properties.crop.last - t.properties.crop.first + 1}"
end

#cut_columns! ⇒ Object 



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# File 'lib/remote_table/format/mixins/textual.rb', line 28

def cut_columns!
  return unless t.properties.cut
  ::RemoteTable.executor.bang t.local_file.path, "cut -c #{::Escape.shell_single_word t.properties.cut.to_s}"
end

#remove_useless_characters! ⇒ Object 



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# File 'lib/remote_table/format/mixins/textual.rb', line 14

def remove_useless_characters!
  ::RemoteTable.executor.bang t.local_file.path, "perl -pe 's/#{USELESS_CHARACTERS.join '//g; s/'}//g'"
end

#skip_rows! ⇒ Object 



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# File 'lib/remote_table/format/mixins/textual.rb', line 18

def skip_rows!
  return unless t.properties.skip > 0
  ::RemoteTable.executor.bang t.local_file.path, "tail -n +#{t.properties.skip + 1}"
end