[CentOS] script help

From: chloe K <chloekcy2000 at yahoo.ca>
> I have a file. list.txt (two columns)
>  
> column1    column2
> name        address
>  
> I need to put in the letter file letter.txt eg:
>  
> Dear: Chloe
> Address: CA
>  
> Can I use this 
>  
> for i `cat list.txt` | sed 's/Chloe/$i.1; /CA/$i.2/g' $i.letter.txt

For single words space separated:

  cat list.txt | while read LINE
    do
      set $LINE
      printf "Dear: %s\nAddress: %s\n" $1 $2 >> $1.letter.txt
    done

JD