November 1998
Beginner
352 pages
7h 46m
English
Content preview from Learning the vi Editor, Sixth Edition
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10.10. Interesting Features
elvis has a number of interesting features:
Internationalization support
Like nvi, elvis also has a home-grown method for allowing translations of messages into different languages. The elvis.msg file is searched for along the elvispath and loaded into a buffer named Elvis messages.
Messages have the form "terse message:long message." Before printing a message, elvis looks up the terse form, and if there is a corresponding long form, that message is used. Otherwise, the terse message is used.
Display modes
This is perhaps the most interesting of elvis' features. For certain kinds of files, elvis formats the file content on the screen, giving a surprisingly good approximation of a WYSIWYG effect. elvis can also use the same formatting for printing the buffer to several kinds of printers. Display modes get their own subsection, below.
Pre- and post-operation command files
elvis loads four files (if they exist), that allow you to customize its behavior before and after reading and writing a file. This feature also gets its own subsection, below.
Open mode
elvis is the only one of the clones that actually implements vi's open mode. (Think of open mode as like vi, but with only a one-line window. The "advantage" to open mode is that it can be used on terminals that don't have cursor motion capabilities.)
Security
The :safer command sets the safer option for execution of non-home-directory .exrc files, or any other untrusted files. When safer is set, ...
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