Input:

```
@@@@@@@@@@@@@@
my_data1 12 23 34
my_data2 10 23 4
my_data3 1 2 34
my_data4 12 3 3 

```

and so on...

Output:

```
my_data1 12 23 34

```

I want my Tcl code to look for Line 1 expression ie starting with a `@` (`^@`) and print **only** the next line.