cmd.sh

export ALIASES="$HOME/.aliases'

# CMD and UNCMD are permanent alias
function cmd () {
    if [[ $# == 1 ]]; then
        print $(alias_value $1)
        return 0
    fi

    if [[ -w $ALIASES ]]; then
        print 'alias '$1'="'${@:2}'"' >> $ALIASES
        . $ALIASES
    else
        print "Cant write file $ALIASES"
        return 1
    fi
}

function uncmd () {
    content=$(sed "/^alias $1=/ d" <$ALIASES) 
    print $content >> $ALIASES
    unalias $1
    print "deleted command $1"
}