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# ------------------------------------------------------------------------------
# Author
# ------
#
# * Jerry Ling<jerryling315@gmail.com>
#
# ------------------------------------------------------------------------------
# Usage
# -----
#
# man will be inserted before the command
#
# ------------------------------------------------------------------------------
man-command-line() {
# if there is no command typed, use the last command
[[ -z "$BUFFER" ]] && zle up-history
# if typed command begins with man, do nothing
[[ "$BUFFER" = man\ * ]] && return
# get command and possible subcommand
# http://zsh.sourceforge.net/Doc/Release/Expansion.html#Parameter-Expansion-Flags
local -a args
args=(${${(Az)BUFFER}[1]} ${${(Az)BUFFER}[2]})
# check if man page exists for command and first argument
if man "${args[1]}-${args[2]}" >/dev/null 2>&1; then
BUFFER="man $args"
else
BUFFER="man ${args[1]}"
fi
}
zle -N man-command-line
# Defined shortcut keys: [Esc]man
bindkey "\e"man man-command-line
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