.functions

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 
}

function cdn(){
cmd=""
for (( i=0; i < $1; i++)) 
do  
    cmd="$cmd../"
done
cd "$cmd"
}
randpw(){ < /dev/urandom tr -dc 'A-Za-z0-9!"#$%&'\''()*+,-./:;<=>?@[\]^_`{|}~' | head -c 20  ; echo;}

function ipreload(){
sudo /sbin/ifconfig $1 down && sudo /sbin/ifconfig $1 up
}

function up() {
  cd $(printf "%0.s../" $(seq 1 $1 ));
}

function addAliasBookmark() {
    if [[ "$#" -ne 1 ]]
    then
        echo "USAGE: addAliasBookmark <alias>"
        return 0
    elif [[ -n "$(alias $1 2>/dev/null)" ]]
    then
        echo "Alias already exists!"
        return 0
    fi

    echo -e "alias $1=\"cd $(pwd)\"" >> ~/.bashrc
    source ~/.bashrc
    echo "Alias was added successfully."
}
countdown(){
    date1=$((`date +%s` + $1));
    while [ "$date1" -ge `date +%s` ]; do 
    ## Is this more than 24h away?
    days=$(($(($(( $date1 - $(date +%s))) * 1 ))/86400))
    echo -ne "$days day(s) and $(date -u --date @$(($date1 - `date +%s`)) +%H:%M:%S)\r"; 
    sleep 0.1
    done
#    echo -ne '\007'
#    ffplay -autoexit /usr/share/sounds/freedesktop/stereo/alarm-clock-elapsed.oga
    ffplay -autoexit $HOME/Music/fanfare.wav
}
stopwatch(){
    date1=`date +%s`; 
    while true; do 
    days=$(( $(($(date +%s) - date1)) / 86400 ))
    echo -ne "$days day(s) and $(date -u --date @$((`date +%s` - $date1)) +%H:%M:%S)\r";
    sleep 0.1
    done
}
cheatsheet(){
    curl cheat.sh/"$1"
}
days_until () {
        x=`date -d "$1 $2" +%j`; y=$((10#$x-10#`date +%j`)); echo $y
#add logic for year at some point
}
days_away () {
         #y=$((10#`date +%j`+10#$1)); echo $y
         day=$(date -d "$date +$1 days" +"%a the %d %b %Y"); echo $day
}
days_past () {
        #day=$(date -d "$date -$1 days" +"%Y%m%d" ); echo $day
        day=$(date -d "$date -$1 days" +"%a the %d %b %Y" ); echo $day
}