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Diffstat (limited to 'Doc/Zsh/roadmap.yo')
| -rw-r--r-- | Doc/Zsh/roadmap.yo | 29 |
1 files changed, 24 insertions, 5 deletions
diff --git a/Doc/Zsh/roadmap.yo b/Doc/Zsh/roadmap.yo index 8cae5b409..17f005b9b 100644 --- a/Doc/Zsh/roadmap.yo +++ b/Doc/Zsh/roadmap.yo @@ -40,14 +40,33 @@ variables (referred to in the documentation as parameters) tt(HISTFILE), tt(HISTSIZE) and tt(SAVEHIST) in ifzman(zmanref(zshparam))\ ifnzman(noderef(Parameters Used By The Shell)). -The line editor provides an extensive completion system and the shell -is supplied with completions for many commonly used commands. Note -that the new completion system referred to as tt(compsys) is preferred -over the older tt(compctl) system. The completion system must be enabled -explicitly when the shell starts. For more information see +subsect(Completion) + +Completion is a feature present in many shells. It allows the user to +type only a part (usually the prefix) of a word and have the shell fill +in the rest. The completion system in zsh is programmable. For +example, the shell can be set to complete email addresses in +arguments to the mail command from your tt(~/.abook/addressbook); +usernames, hostnames, and even remote paths in arguments to scp, and so +on. Anything that can be written in or glued together with zsh can be +the source of what the line editor offers as possible completions. + +Zsh has two completion systems, an old, so called tt(compctl) completion +(named after the builtin command that serves as its complete and only +user interface), and a new one, referred to as tt(compsys), +organized as library of builtin and user-defined functions. +The two systems differ in their interface for specifying the completion +behavior. The new system is more customizable and is supplied with +completions for many commonly used commands; it is therefore to be +preferred. + +The completion system must be enabled explicitly when the shell starts. +For more information see ifzman(zmanref(zshcompsys))\ ifnzman(noderef(Completion System)). +subsect(Extending the line editor) + Apart from completion, the line editor is highly extensible by means of shell functions. Some useful functions are provided with the shell; they provide facilities such as: |