unix - 请解释 。./ab_project_setup.ksh $(pwd) 语句

Question

请解释这句话的意思

. ./ab_project_setup.ksh $(pwd)

Answer 1

添加到Alberto的答案：

这是一个小演示：

$ cat a.sh        # the script a.sh just exports a variable foo
export foo="$1"   # with it's value set to first command line argument.
$ echo $foo       # currently variable foo is not set.

$ . ./a.sh $(pwd) # source the script passing it pwd as argument.
$ echo $foo       # variable foo is now set.
/home/codaddict
$ pwd             # the present working directory.
/home/codaddict

Answer 2

.

表示来源以下内容

./ab_project_setup.ksh

您正在采购的文件的名称

$(pwd)

展开到当前工作目录并作为参数传递给脚本。