The ex line editor serves as the foundation for the screen editor vi . Commands in ex work on the current line or on a range of lines in a file. Most often, you use ex from within vi . In vi , ex commands are preceded by a colon and entered by pressing Return.
You can also invoke ex
on its own -- from the command line -- just as you would invoke vi
. (You could execute an ex
script this way.) You can also use the vi
This chapter presents the following topics:
For more information, see Learning the vi Editor , listed in the Bibliography.
You can exit ex in several ways:
are the first and last addressed lines (x
must precede y
in the buffer). x
may each be a line number or a symbol. Using
See Chapter 6, Pattern Matching , for more information on using patterns.