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Why isn't it always safe to treat data as text?

The SEE ALSO section of the manual page for cut refers to a command called paste that can be used to combine data files instead of cutting them up.

Read the manual page for paste, and then run paste to combine the autumn and winter data files in a single table using a comma as a separator. What's wrong with the output from a data analysis point of view?

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The column headers are repeated.

The last few rows have the wrong number of columns.

Some of the data from winter.csv is missing.

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