Adding to the front of a line

[Matthew Flaschen]

Matthew Flaschen wrote:
> Ray Parrish wrote:
>> Hello,
>>
>> I've downloaded a text file of the new sites to block to avoid the 
>> conficker worm that is currently infecting Windows users, and would like 
>> to send it to my Windows using friends and family. However the file 
>> unfortunately has only the host names, one per line. I would like to add 
>> the 127.0.0.1 and a space to the front of each line in the file before I 
>> send it out, so all they have to do is copy and paste it's contents to 
>> the end of their hosts files.
> 
> There are many ways.  Here's one:
> 
> while read site; do
> echo "$site 127.0.0.1"
> done < sites.txt > output_file.txt

Whoops.  That was backwards.  It should be:

while read site; do
echo "127.0.0.1 $site "
done < sites.txt > output_file.txt