easy encrypt zip function for .zshrc

easy encrypt zip function

function ze() {
    if [ $# = 0 ]; then
        echo "usage: ze [./file] [./dirctory]"
    else
        arg=$1
        if [ `echo $arg | grep '\.'` ]; then
            file_name=`echo $arg | cut -d'.' -f1`
            zip -e "$file_name.zip" $arg
        else
            zip -e -r "$arg.zip" $arg
        fi
    fi
}