.bashrc

#Productivity 
alias ls="ls --color=auto" 
alias ll="ls --color -al" 
alias grep='grep --color=auto' 
mcd() { mkdir -p "$1"; cd "$1";} 
cl() { cd "$1"; ls;} 
backup() { cp "$1"{,.bak};} 
md5check() { md5sum "$1" | grep "$2";} 
alias makescript="fc -rnl | head -1 >" 
alias genpasswd="strings /dev/urandom | grep -o '[[:alnum:]]' | head -n 30 | tr -d '\n'; echo" 
alias c="clear" 
alias histg="history | grep" 
alias ..='cd ..' 
alias ...='cd ../..'
extract() { 
    if [ -f $1 ] ; then 
      case $1 in 
        *.tar.bz2)   tar xjf $1     ;; 
        *.tar.gz)    tar xzf $1     ;; 
        *.bz2)       bunzip2 $1     ;; 
        *.rar)       unrar e $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 
} 
  
#System info 
alias cmount="mount | column -t" 
alias tree="ls -R | grep ":$" | sed -e 's/:$//' -e 's/[^-][^\/]*\//--/g' -e 's/^/   /' -e 's/-/|/'" 
sbs(){ du -b --max-depth 1 | sort -nr | perl -pe 's{([0-9]+)}{sprintf "%.1f%s", $1>=2**30? ($1/2**30, "G"): $1>=2**20? ($1/2**20, "M"): $1>=2**10? ($1/2**10, "K"): ($1, "")}e';} 
alias intercept="sudo strace -ff -e trace=write -e write=1,2 -p" 
alias meminfo='free -m -l -t' 
alias ps?="ps aux | grep" 
alias volume="amixer get Master | sed '1,4 d' | cut -d [ -f 2 | cut -d ] -f 1"