Question: I am using AQGridView in my project. we need to create a black colored border around each image. Can anyone help me on this. 

Thanks in advance.

Regards,
Jas.

Answer: 
```
awk 'BEGIN {max = 0} {if ($6>max) max=$6} END {print max}' yourfile.txt

```
```
awk 'BEGIN{first=1;} 
     {if (first) { max = min = $2; first = 0; next;}
      if (max < $2) max=$2; if (min > $2) min=$2; }
     END { print min, max }' file

```