I have a text file that contains 2 columns( example below )

```
Account_name Device_name
12345 1a3T567890f2

```

Values of the Device\_name column then needs to be changed to:

* Uppercase letters if letters exist (example `1A3T567890F2`) 

```
awk '{ print toupper($0) }' file.txt > file2.txt

```
* The Colon symbol needs to be inserted to separate the value in to 2 char
chunks (example `1A:3T:56:78:90:F2`)

```
sed 's/\(\w\w\)\(\w\w\)\(\w\w\)\(\w\w\)\(\w\w\)\(\w\w\)/\1:\2:\3:\4:\5:\6/g' file2.txt > file3.txt

```

I would like to create a script that does those two functions at once.