.bashrc config for Archlinux

.bashrc

#
# ~/.bashrc
#

# If not running interactively, don't do anything
[[ $- != *i* ]] && return
date
echo
fortune | cowsay -f $(ls /usr/share/cows/ | shuf -n1)
echo

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

if [ -f $HOME/.git-completion.bash ]; then
	  source $HOME/.git-completion.bash
  fi

complete -cf sudo
complete -cf man

shopt -s cdspell
shopt -s checkwinsize
shopt -s cmdhist
shopt -s dotglob
shopt -s expand_aliases
shopt -s extglob
shopt -s histappend
shopt -s hostcomplete
shopt -s nocaseglob

export HISTSIZE=10000
export HISTFILESIZE=${HISTSIZE}
export HISTCONTROL=ignoreboth


export GREP_COLOR="1;33"
alias grep='grep --color=auto'
alias ls='ls --group-directories-first --time-style=+"%d.%m.%Y %H:%M" --color=auto -F'
alias ll='ls -lh --group-directories-first --time-style=+"%d.%m.%Y %H:%M" --color=auto -F'
alias la='ls -lha --group-directories-first --time-style=+"%d.%m.%Y %H:%M" --color=auto -F'
alias lr='ls -lhrt --group-directories-first --time-style=+"%d.%m.%Y %H:%M" --color=auto -F'
alias cp="cp -i"                          # confirm before overwriting something
alias mv="mv -i"              # confirm before overwriting something
alias rm="rm -I"              # confirm before removing more than 3 files
alias df='df -h'                          # human-readable sizes
#alias free='free -m'                      # show sizes in MB
alias ducks='du -cks * |sort -rn |head -11' # disk hog
alias sps='ps aux | grep -v grep | grep'  # search process

# ex - archive extractor
# usage: ex <file>
ex ()
{
  if [ -f $1 ] ; then
    case $1 in
      *.tar.bz2)   tar xjf $1   ;;
      *.tar.gz)    tar xzf $1   ;;
      *.tar.xz)    tar xJf $1   ;;
      *.bz2)       bunzip2 $1   ;;
      *.rar)       unrar 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
}

PS1='\[\e[0;32m\]\u\[\e[m\] \[\e[1;34m\]\w\[\e[m\] \[\e[m\] \[\e[1;32m\]\$ \[\e[m\]\[\e[1;37m\] '

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'

# when connecting to SSH, start or reattach screen session
if [ -n "$SSH_CONNECTION" ] && [ -z "$SCREEN_EXIST" ]; then
    export SCREEN_EXIST=1
    screen -DR
    fi

#search from CLI
function google { IFS='+'; elinks http://www.google.com/search\?q="$*";}

# # translate bonjour fr zh; par défault de l'anglais vers le français
# translate() {
# wget -qO- "http://ajax.googleapis.com/ajax/services/language/translate?v=1.0&q=$1&langpair=${2:-en}|${3:-fr}" | sed -E -n 's/[[:alnum:]": {}]+"translatedText":"([^"]+)".*/\1/p';
# echo ''
# return 0;
# }
translate() {
    wget -U "Mozilla/5.0" -qO - "https://translate.google.com/translate_a/single?client=t&sl=${3:-auto}&tl=${2:-en}&dt=t&q=$1" | cut -d'"' -f2;
}

# Find a file with a pattern in name:
function ff()
{ find . -type f -iname '*'$*'*' -ls ; }
# Find a file with pattern $1 in name and Execute $2 on it:
function fe()
{ find . -type f -iname '*'$1'*' -exec "${2:-file}" {} \;  ; }

# Tex related function
function greptex()
{ grep -i "$*" -n --color=auto {,**/}*.tex ; }