man.plugin.zsh

 1# ------------------------------------------------------------------------------
 2# Author
 3# ------
 4#
 5# * Jerry Ling<jerryling315@gmail.com>
 6#
 7# ------------------------------------------------------------------------------
 8# Usage
 9# -----
10#
11# man will be inserted before the command
12#
13# ------------------------------------------------------------------------------
14
15man-command-line() {
16    # if there is no command typed, use the last command
17    [[ -z "$BUFFER" ]] && zle up-history
18
19    # if typed command begins with man, do nothing
20    [[ "$BUFFER" = man\ * ]] && return
21
22    # get command and possible subcommand
23    # http://zsh.sourceforge.net/Doc/Release/Expansion.html#Parameter-Expansion-Flags
24    local -a args
25    args=(${${(Az)BUFFER}[1]} ${${(Az)BUFFER}[2]})
26
27    # check if man page exists for command and first argument
28    if man "${args[1]}-${args[2]}" >/dev/null 2>&1; then
29        BUFFER="man $args"
30    else
31        BUFFER="man ${args[1]}"
32    fi
33}
34
35zle -N man-command-line
36# Defined shortcut keys: [Esc]man
37bindkey "\e"man man-command-line