Linux服务器中的Bash脚本无法设置文件权限

Question

我在.sh文件中编写代码并运行它...

 die () {
    echo >&2 "$@"
    exit 1
}


[ "$#" -eq 2 ] || die "2 argument required, $# provided"
echo $2 | grep -E -q '^[0-9]+$' || die "Numeric argument required, $2 provided"


nfile_location = /home/virtual/$1

if [ -f $nfile_location ];
then
    chmod -R $2 $nfile_location
    echo "Set permission";
    exit 1;
else
    echo "Not a correct file";
    exit 1;
fi

但它不起作用.它显示以下错误,我无法理解,因为我是bash脚本的新手.

/root/new_scripts/setpermission.sh: line 11: nfile_location: command not found
chmod: missing operand after `777'
Try `chmod --help' for more information.
Set permission 

Answer 1

在=标志之前或之后必须没有空格.

错误: nfile_location = /home/virtual/$1

正确: nfile_location=/home/virtual/$1