Automatic cscope

cscope.sh

#!/bin/sh

cs_install() {
    echo "installing ..."
    if [ ! -e cscope.files ]
    then
        find ./ -name "*.[hc]" > cscope.files
    else
        echo "cscope.files exist"
    fi

    if [ ! -e cscope.out ]
    then
        cscope -bkq -i cscope.files
    else
        echo "cscope.out exist"
    fi  

    if [ ! -e tags ]
    then
        ctags -R
    else
        echo "tags exist"
    fi  
    echo "installing finished"
}

cs_clean() {
    echo "cleaning ..."
    rm -rf cscope.* tags
    echo "cleaning finished"
}

if [ $# == 0 ] 
then
    action="install"
else
    action=$1
fi

case "$action" in
    install)
        cs_install
        ;;
    clean)
        cs_clean
        ;;
    update)
        cs_clean
        cs_install
        ;;
esac