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The following rules apply to all 

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• Gloss
  t

• SNOMED CT Release Files

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• are  are UTF-8 encoded, tab delimited text files.
• contain a column header row, providing field names for each column within the file. Lower camel case is used for the field names (e.g. moduleId (field), effectiveTime (field) ).
• use DOS style line termination. Each line is terminated Each line, including the final line, ends with a carriage return character (hex 0D) followed by a line feed character (hex 0A).Should have a last line that ends with a line terminator (CR/LF) before the end of file
• The first line of each file, contains the names of each column (also know more generally as a field).
• Field names are represented using lower-camel-case
  • First letter of name is lower case
  • First letter of each words apart from the first word in the name is upper case
  • All other letters are lower case.
  • For example:
    • id
    • term
    • typeId
    • relationshipGroup
    • definitionStatusId
• The name, datatype and usage of the fields in each file are specified in the following sections of this guide
  • 4.2 File Format Specifications
  • 5.2 Reference Set Types.