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The pattern to match, however, works as follows: NR is the number of records, typically lines of input, AWK has so far read, i.e. the current line number, starting at 1 for the first line of input. % is the modulo operator. NR % 4 == 1 is true for the 1st, 5th, 9th, etc., lines of input.
Vim (/ v ɪ m / ⓘ; [5] vi improved) is a free and open-source, screen-based text editor program. It is an improved clone of Bill Joy's vi.Vim's author, Bram Moolenaar, derived Vim from a port of the Stevie editor for Amiga [6] and released a version to the public in 1991.
While the line numbers are sequential in this example, in the very first "complete but simple [Fortran] program" published the line numbers are in the sequence 1, 5, 30, 10, 20, 2. [4] Line numbers could also be assigned to fixed-point variables (e.g., ASSIGN i TO n) for referencing in subsequent assigned GO TO statements (e.g., GO TO n,(n1,n2 ...
vi (pronounced as distinct letters, / ˌ v iː ˈ aɪ / ⓘ) [1] is a screen-oriented text editor originally created for the Unix operating system. The portable subset of the behavior of vi and programs based on it, and the ex editor language supported within these programs, is described by (and thus standardized by) the Single Unix Specification and POSIX.
Sends an EOF marker, which (unless disabled by an option) closes the current shell (equivalent to the command exit). (Only if there is no text on the current line) If there is text on the current line, deletes the current character (then equivalent to the key Delete). Ctrl+e : moves the cursor to the line end (equivalent to the key End).
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Line commands, also known as prefix commands or sequence commands - Some editors treat a file as an array of text lines with associated line numbers or sequence numbers, and have a distinct line number field for each text field. A line command is a string that the user types into a line number field and that the editor recognizes as a command ...