ZSH.RC (AIX/Linux)

###############################################################################
# Safety Check
###############################################################################

# Don't do anything for non-interactive shells
[[ -z "$PS1" ]] && return
# Need to know if this is Linux or AIX
OS=`uname -a|awk '{print $1}'`
# On AIX, we need to source /etc/environment first and foremost.
if [[ ${OS} == "AIX" && -s /etc/environment ]]; then
    . /etc/environment
fi
###############################################################################
# Local Settings
###############################################################################

# Add any machine specific settings/aliases to your login
eval LOCAL_SETUP_FILE="~/.zshrc.local"
if [[ -s ${LOCAL_SETUP_FILE} ]]; then
    . ${LOCAL_SETUP_FILE}
fi

# If applicable, add any machine specifics scripts to your login
if [[ -d ${LOCAL_SCRIPT_DIR} && -n ${LOCAL_SCRIPT_DIR} ]]; then
    export PATH=${PATH}:${LOCAL_SCRIPT_DIR}
fi

###############################################################################
# History
###############################################################################
HISTFILE=~/.history
HISTSIZE=10500
SAVEHIST=10000
setopt appendhistory nomatch    # Add everything to the history.
setopt incappendhistory         # Write after every command
setopt sharehistory             # Share between sessions
setopt histexpiredupsfirst      # Kill duplicates in history first (when full)
setopt histfindnodups           # Don't find dupes, either.
setopt histsavenodups           # I hate duplicates, obviously...  Don't save them.
setopt histverify               # Preview history expansions
export HISTIGNORE="&:ls:[bf]g:exit:reset:clear:cd:cd ..:cd.."

###############################################################################
# Editor Settings
###############################################################################
# Check for VIM, use that if possible.
which vim 2>&1 1>/dev/null
if [[ $? == 0 ]]; then
    export EDITOR=vim
    export VISUAL=vim
    alias vi='vim'
else
    export EDITOR=vi
    export VISUAL=vi
fi

###############################################################################
# Autocompletion
###############################################################################
# The below somehow screw up vi searching from a prompt with esc+/ ... ?
#autoload -U compinit   # Load these two for the case-insensitive globbing.
#compinit -C
# Case-insensitive (all),partial-word and then substring completion
#zstyle ':completion:*' matcher-list 'm:{a-zA-Z}={A-Za-z}' 'r:|[._-]=* r:|=*' 'l:|=* r:|=*'

## case-insensitive (all),partial-word and then substring completion
zstyle ':completion:*' matcher-list 'm:{a-zA-Z}={A-Za-z}' 'r:|[._-]=* r:|=*' 'l:|=* r:|=*'

setopt autoparamslash   # Append a slash on directory completion
setopt completealiases  # Treat aliases as commands
setopt extendedglob     # Assume [#~^] refer to patterns
setopt globdots         # Assume leading . for hidden files
setopt nonomatch        # Ignore globs if they match nothing
setopt autopushd        # Automatically add directories to pushd
setopt autocd           # Automatically change directories if no cmd given
setopt nomenucomplete   # Disable ZSH menu completion
setopt noautomenu       # Disable ZSH tab cycle completion
setopt bashautolist     # Enable Bash/KSH style completion.
###############################################################################
# Aliases
###############################################################################
if [[ ${OS} == "AIX" && -a /usr/linux/bin/ls ]]; then
    # To install ZSH, you have to have CoreUtils...  This shouldn't be needed.
    LS="/usr/linux/bin/ls"
    EGREP="/usr/linux/bin/egrep"
else
    LS="ls"
    EGREP="egrep"

fi
alias grep=`echo ${EGREP}`' --color=tty -d skip'
alias ls=`echo ${LS}`' --color=tty'
alias ld='ls -ld [^.]*/ 2>/dev/null || echo "No directories..."'
alias ll='ls -l'
alias la='ls -la'
alias lt='ls -ltr'
alias tf='tail -f'
alias ruler='echo .........1.........2.........3.........4.........5.........6.........7.........8'

###############################################################################
# Color man pages - Linux Only
###############################################################################
if [[ ${OS} == "Linux" ]]; then
    export LESS_TERMCAP_mb=$'\e[01;34m'
    export LESS_TERMCAP_md=$'\e[01;34m'
    export LESS_TERMCAP_me=$'\e[0m'
    export LESS_TERMCAP_se=$'\e[0m'
    export LESS_TERMCAP_so=$'\e[01;44;33m'
    export LESS_TERMCAP_ue=$'\e[0m'
    export LESS_TERMCAP_us=$'\e[38;05;111m;'
fi

###############################################################################
# Key Bindings
###############################################################################

# Force ZSH to use VI keybindings
bindkey -v                              # VI Keybindings
# Generic Key Bindings (XTerm)
bindkey "\e[1~" beginning-of-line       # Home
bindkey "\e[4~" end-of-line             # End
bindkey "\e[5~" beginning-of-history    # PageUp
bindkey "\e[6~" end-of-history          # PageDown
bindkey "\e[2~" quoted-insert           # Ins
bindkey "\e[3~" delete-char             # Del
# RXVT Keybinding
bindkey "\e[7~" beginning-of-line       # Home
bindkey "\e[8~" end-of-line             # End
# XTerm - non-RH/Debian
bindkey "\eOH" beginning-of-line        # Home
bindkey "\eOF" end-of-line              # End
# FreeBSD Console
bindkey "\e[H" beginning-of-line        # Home
bindkey "\e[F" end-of-line              # End

###############################################################################
# Misc Functions
###############################################################################

function backup() { cp $1{,.$(date '+%Y%m%d-%H%M%S')}; }

ex () {
    if [ -f $1 ] ; then
        case $1 in
            *.tar.bz2)   tar xjf $1        ;;
            *.tar.gz)    tar xzf $1     ;;
            *.bz2)       bunzip2 $1       ;;
            *.rar)       rar x $1     ;;
            *.gz)        gunzip $1     ;;
            *.tar)       tar xf $1        ;;
            *.tbz2)      tar xjf $1      ;;
            *.tgz)       tar xzf $1       ;;
            *.zip)       unzip $1     ;;
            *.Z)         uncompress $1  ;;
            *.7z)        7z x $1    ;;
            *)           echo "'$1' cannot be extracted via extract()" ;;
        esac
    else
        echo "'$1' is not a valid file"
    fi
}

###############################################################################
# Prompt  Settings
###############################################################################
setprompt () {
    # Need this so the prompt will work.
    setopt prompt_subst

    # See if we can use colors.  AIX VTMenu terminals notably will not.
    autoload colors zsh/terminfo
    if [[ "$terminfo[colors]" -ge 8 ]]; then
        colors
    fi
    for color in RED GREEN YELLOW BLUE MAGENTA CYAN WHITE; do
        eval PR_$color='%{$terminfo[bold]$fg[${(L)color}]%}'
        eval PR_LIGHT_$color='%{$fg[${(L)color}]%}'
    done
    PR_NO_COLOR="%{$terminfo[sgr0]%}"

        # The default non-root prompt symbol is a %, which throws me off, change that.
        if [[ `id -u` == 0 ]]; then
                PromptChar="#"
        else
                PromptChar="$"
        fi

        PROMPT="${COLOR1}[${COLOR2}%D{%H:%M:%S}${COLOR1}] [${COLOR2}%n${COLOR1}@${COLOR2}%m${COLOR1}:${COLOR2}%~${COLOR1}]
%(?..${COLOR1}[${COLOR_ERR}RTN: %?${PS_NO_COLOR}${COLOR1}] )${PR_NO_COLOR}${PromptChar} "
        RPROMPT=""
        PS2="${COLOR1}-(${COLOR2}%_${COLOR1})-${PR_NO_COLOR} "
}
setprompt