Ubuntu :: Bash Script - Removing Windows Return Characters

I've got a basic script, which parses data from a text file and performs actions based on that data. Here is my code:

Code:
dsrc="/home/russellm/sites/"
ddst="/home/russellm/othersites/"
while read SiteID
do
if [[ ! -d "$ddst${SiteID:0:1}" ]]
then
mkdir "$ddst${SiteID:0:1}"
fi
mv "$dsrc${SiteID:0:1}/${SiteID%*}" "$ddst${SiteID:0:1}/" | tr -d '
' done < sites.txt

The text file came from a windows system, and contains those return characters (). I 'could' just run the whole thing through tr and then run the script on the new data file, but I'm looking for a more elegant solution. As the code above shows, I'm trying to pipe the mv command though tr in order to remove the return character - but it's not working. I can't get this to work with sed either, so I know I'm doing something wrong. I also tried to remove it using ${SiteID%} - but that also failed. The characters don't show up in an echo, just when executing a command.

Output example (emphasis mine):
Code:
mv: cannot stat `/home/russellm/sites/B/B23467324
': No such file or directory
I'm tempted to just convert the file once and call it a day, but you know what it's like. To be honest, I'm starting to suspect that there are no return characters, and that I'm going about this wrong.