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Concept
Tab-separated values
Summary
Tab-separated values (TSV) is a simple, for storing tabular data. Records are separated by newlines, and values within a record are separated by tab characters. The TSV format is thus a delimiter-separated values format, similar to comma-separated values.
TSV is a simple file format that is widely supported, so it is often used in data exchange to move tabular data between different computer programs that support the format. For example, a TSV file might be used to transfer information from a database to a spreadsheet.
The head of the Iris flower data set can be stored as a TSV using the following plain text (note that the HTML rendering may convert tabs to spaces):
Sepal length Sepal width Petal length Petal width Species
5.1 3.5 1.4 0.2 I. setosa
4.9 3.0 1.4 0.2 I. setosa
4.7 3.2 1.3 0.2 I. setosa
4.6 3.1 1.5 0.2 I. setosa
5.0 3.6 1.4 0.2 I. setosa
The TSV plain text above corresponds to the following tabular data:
The IANA media type standard for TSV achieves simplicity by simply disallowing tabs within fields.
Since the values in the TSV format cannot contain literal tabs or newline characters, a convention is necessary for lossless conversion of text values with these characters. A common convention is to perform the following escapes:
Another common convention is to use the CSV convention from and enclose values containing tabs or newlines in double quotes. This can lead to ambiguities.
Another ambiguity is whether records are separated by a line feed, as is typical for Unix platforms, or a carriage return and line feeds, as is typical for Microsoft platforms. Many programs such as LibreOffice expect a carriage return followed by a newline.
Official source
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