morax /.bashrc

.bashrc
#
# ~/.bashrc
#


# bash options ---------------------------------------------------------

shopt -s cdable_vars      # if cd arg is not valid, assumes its a var defining a dir
shopt -s cdspell          # autocorrects cd misspellings
shopt -s checkwinsize     # update the value of LINES and COLUMNS after each command if altered
shopt -s cmdhist          # save multi-line commands in history as single line
shopt -s dotglob          # include dotfiles in pathname expansion
shopt -s expand_aliases   # expand aliases
shopt -s extglob          # enable extended pattern-matching features
shopt -s histappend       # append to (not overwrite) the history file
shopt -s hostcomplete     # attempt hostname expansion when @ is at the beginning ofa word
shopt -s nocaseglob       # pathname expansion will be treated as case-insensitive


# kill flow control ----------------------------------------------------

if tty -s ; then
    stty -ixon
    stty -ixoff
fi


# prompt ---------------------------------------------------------------

PS1='\[\e[37m\]\u\[\e[0m\]\[\e[33m\] \w\[\e[0m\] \$ '
# PS1='[\u@\h \W]\$ '      # default prompt
# PS1='$ '                 # simple prompt


# if exists, add ~/scripts to path -------------------------------------

if [ -d ~/scripts ] ; then
   PATH=~/scripts:$PATH
fi


# bash history ---------------------------------------------------------

export HISTFILE="$HOME/.bash_history_`hostname`"   # hostname appended to bash history filename
export HISTSIZE=10000                              # bash history will save N commands
export HISTFILESIZE=${HISTSIZE}                    # bash will remember N commands
export HISTCONTROL=ignoreboth                      # ingore duplicates and spaces (ignoreboth, ignoredups, ignorespace)


# env vars -------------------------------------------------------------

export OOO_FORCE_DESKTOP=gnome   # openoffice preferences


# LESS man page colors--------------------------------------------------

export LESS_TERMCAP_mb=$'\E[01;31m'
export LESS_TERMCAP_md=$'\E[01;31m'
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[01;32m'


# sudo completion ------------------------------------------------------

complete -cf sudo
if [ -f /etc/bash_completion ]; then
  . /etc/bash_completion
fi


# aliases --------------------------------------------------------------

alias ls='ls --color=auto -F'
alias ll='ls -lh'
alias la='ls -a'
alias dir='ls -1'
alias f='find | grep'
alias c='clear'
alias q='exit'
alias grep='grep --color=auto'
alias scrd='screen -RD'
alias mp="mplayer"


# pacman aliases -------------------------------------------------------

alias pacup='sudo pacman -Syu'                    # sync and update
alias pacin='sudo pacman -S'                      # install pkg
alias pacout='sudo pacman -Rns'                   # remove pkg and the deps it installed
alias pacs="pacman -Sl | cut -d' ' -f2 | grep "   #
alias pac="pacsearch"                             # colorize pacman (pacs)
pacsearch () 
{
  echo -e "$(pacman -Ss $@ | sed \
  -e 's#core/.*#\\033[1;31m&\\033[0;37m#g' \
  -e 's#extra/.*#\\033[0;32m&\\033[0;37m#g' \
  -e 's#community/.*#\\033[1;35m&\\033[0;37m#g' \
  -e 's#^.*/.* [0-9].*#\\033[0;36m&\\033[0;37m#g' )"
}


# functions ------------------------------------------------------------

# ex - archive extractor
# usage: ex 
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 ex()" ;;
    esac
  else
    echo "'$1' is not a valid file"
  fi
}

# roll - archive wrapper
# usage: roll  ./foo ./bar
roll ()
{
  FILE=$1
  case $FILE in
    *.tar.bz2) shift && tar cjf $FILE $* ;;
    *.tar.gz) shift && tar czf $FILE $* ;;
    *.tgz) shift && tar czf $FILE $* ;;
    *.zip) shift && zip $FILE $* ;;
    *.rar) shift && rar $FILE $* ;;
  esac
}

# mktar - tarball wrapper
# usage: mktar 
function mktar() { tar czf "${1%%/}.tar.gz" "${1%%/}/"; }

# calc - simple calculator
# usage: calc 
function calc() { echo "$*" | bc; }

# define - fetch word defnition from google
# usage: define 
define ()
{
  lynx -dump "http://www.google.com/search?hl=en&q=define%3A+${1}&btnG=Google+Search" | grep -m 5 -w "*"  | sed 's/;/ -/g' | cut -d- -f5 > /tmp/templookup.txt
  if [[ -s  /tmp/templookup.txt ]] ;then    
    until ! read response
      do
      echo "${response}"
      done < /tmp/templookup.txt
    else
      echo "Sorry $USER, I can't find the term \"${1} \""                
  fi    
  rm -f /tmp/templookup.txt
}

# sanitize - set file/directory owner and permissions to normal values (644/755)
# usage: sanitize 
sanitize()
{
  chmod -R u=rwX,go=rX "$@"
  chown -R ${USER}:users "$@"
}


# screen-specific stuff for window titles ------------------------------

case $TERM in
    screen*)
        trap 'echo -ne "\ek${BASH_COMMAND%%\ *}\e\\"' DEBUG
        PROMPT_COMMAND='echo -ne "\ek$(short_pwd 15)\e\\"'
        ;;
esac
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