在UNIX中将函数中的属性调用到另一个函数中

Below is a code snippet

以下是代码段

    function currmonth
    {
    curr_mon=`echo $(date +%x)`
    yy=`echo $curr_mon| awk '{print substr(
 
 
Below is a code snippet 
 
 
以下是代码段
 
 
    function currmonth
    {
    curr_mon=`echo $(date +%x)`
    yy=`echo $curr_mon| awk '{print substr($0,9,2)}'`
    mm=`echo $curr_mon| awk '{print substr($0,1,2)}'`
    dd=`echo $(date -d "$mm/1 + 1 month - 1 day" "+%d")`   # <--
    }
    function test
    {
     echo $(currmonth.dd)                                  # <--
    }
 
 
I want to call the attribute "dd" which is in function "currmonth" to the function test I tried using the .'DOT' operator to echo it but doesnt help,can u assist me with this 
 
 
我想把函数“currmonth”中的属性“dd”调用到函数测试中我尝试使用.'DOT'操作符来回显但是没有帮助，你可以帮助我吗
 
  
  
 
1 个解决方案
 
 
 
  
#1
 
  
 
  
 
   
1  
 
   
dd is a variable. You can print its value with:
 
   
dd是一个变量。您可以使用以下方式打印其值：
 
   
function test
{
    echo $dd
}

currmonth    # call currmonth()
test         # call test()
 
  
 
 
 

,9,2)}'`
    mm=`echo $curr_mon| awk '{print substr(
 
 
Below is a code snippet 
 
 
以下是代码段
 
 
    function currmonth
    {
    curr_mon=`echo $(date +%x)`
    yy=`echo $curr_mon| awk '{print substr($0,9,2)}'`
    mm=`echo $curr_mon| awk '{print substr($0,1,2)}'`
    dd=`echo $(date -d "$mm/1 + 1 month - 1 day" "+%d")`   # <--
    }
    function test
    {
     echo $(currmonth.dd)                                  # <--
    }
 
 
I want to call the attribute "dd" which is in function "currmonth" to the function test I tried using the .'DOT' operator to echo it but doesnt help,can u assist me with this 
 
 
我想把函数“currmonth”中的属性“dd”调用到函数测试中我尝试使用.'DOT'操作符来回显但是没有帮助，你可以帮助我吗
 
  
  
 
1 个解决方案
 
 
 
  
#1
 
  
 
  
 
   
1  
 
   
dd is a variable. You can print its value with:
 
   
dd是一个变量。您可以使用以下方式打印其值：
 
   
function test
{
    echo $dd
}

currmonth    # call currmonth()
test         # call test()
 
  
 
 
 

,1,2)}'`
    dd=`echo $(date -d "$mm/1 + 1 month - 1 day" "+%d")`   # <--
    }
    function test
    {
     echo $(currmonth.dd)                                  # <--
    }
    functio