在一行中打印比特率和信号电平

Question

我想在一行中打印出iwconfig的比特率和信号电平，并用空格分隔。到目前为止，我使用不同的命令来分别打印比特率和信号强度，如下所示：

iwconfig wlan0|awk-F'[=]+''/比特率/｛print$4｝'

iwconfig wlan0|awk-F'[=]+''/信号电平/｛print$7｝'

结果将是

54

-43

有可能把它们做成这样吗：

54-43

我该怎么办？感谢

Answer 1

One simple way is to assign the output of your commands
to variables.  That way, you can print them out however you want.
I just tested this on Ubuntu 12.4.  Note the back quotes around
the commands.
v1=`iwconfig wlan0 | awk -F'[ =]+' '/Bit Rate/ {print $4}'`
v2=`iwconfig wlan0 | awk -F'[ =]+' '/Signal level/ {print $7}'`
echo $v1 $v2