执行命令输出至变量 - 日记 [2011年07月04日]

#cat setup_env
#!/bin/sh
USER='whoami'

isroot()
{
    if [ "$USER" = "root" ]; then
        return
    fi
    echo "Current user is: $USER, please login to [root]"
    sudo su
    return
}


reset_kernel_config()
{
    while :
    do
        echo -n "Ensure reset Kernel config [Y/N] "

        read selectItem
        if [ "$selectItem" = "Y" ]; then
            echo "Configuere Kernel..."
            cd kernel_imx/
            echo "Reset kernel config..."
            make imx5_android_defconfig
            cd ..
            return
        elif [ "$selectItem" = "N" ]; then
            return
        else
            echo -e "Input not valid, try again.\n" >&2
            sleep 0.2
        fi
    done
}


mkuramdisk()
{
    echo "Convert ramdisk to uramdisk..."
    cd $URAMPATH
    /mnt/FSL_BSP/bootable/bootloader/uboot-imx/tools/mkimage -A arm -O linux -T ramdisk -C none -a 0x70308000 -n "Android Root Filesystem" -d ./ramdisk.img ./uramdisk.img
    if [ $? -ne 0 ]; then
        echo -e "\nERROR: make uramdisk failed.\n"
        cd -
        exit
    fi
    cd -
    return
}