Append a column to the end of a records array.
rec : recarray
Records array.
col : array_like
Array or similar object which will be converted into the new column.
name : str, optional
Name of the column. If None col.dtypes.name will be used.
format : dtype, optional
Data type to convert the new column into before appending. Required if col is not an ndarray.
new_rec : recarray
New records array with column appended.
nmrglue.fileio.table.insert_column
nmrglue.fileio.table.delete_column
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