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In computing, a line is a unit of organization for text files. A line consists of a sequence of zero or more characters, usually displayed within a single horizontal sequence.
The term comes directly from physical printing, where a line of text is a horizontal row of characters.
Depending on the file system or operating system being used the number of characters on a line may either be predetermined or fixed, or the length may vary from line to line. Fixed-length lines are sometimes called records. With variable-length lines, the end of each line is usually indicated by the presence of one or more special end-of-line characters. These include line feed, carriage return, or combinations thereof.[1]
A blank line usually refers to a line containing zero characters (not counting any end-of-line characters); though it may also refer to any line that does not contain any visible characters (consisting only of whitespace).
Some tools that operate on text files (e.g., editors) provide a mechanism to reference lines by their line number.
See also
edit- Newline
- Line wrap and word wrap
- Line-oriented programming language, programming languages that interpret the end of line to be the end of an instruction or statement
References
edit- ^ Duckett, Chris (May 9, 2018). "Windows Notepad finally understands everyone else's end of line characters". ZDNet. Archived from the original on May 13, 2018. Retrieved February 10, 2023.