Delimiter-separated valuesFormats that use delimiter-separated values (also DSV) store two-dimensional arrays of data by separating the values in each row with specific delimiter characters. Most database and spreadsheet programs are able to read or save data in a delimited format. Due to their wide support, DSV files can be used in data exchange among many applications. A delimited text file is a used to store data, in which each line represents a single book, company, or other thing, and each line has fields separated by the delimiter.
Vertical barThe vertical bar, , is a glyph with various uses in mathematics, computing, and typography. It has many names, often related to particular meanings: Sheffer stroke (in logic), pipe, bar, or (literally the word "or"), vbar, and others. The vertical bar is used as a mathematical symbol in numerous ways: absolute value: , read "the absolute value of x" cardinality: , read "the cardinality of the set S" or "the length of a string S". conditional probability: , read "the probability of X given Y" determinant: , read "the determinant of the matrix A".
