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I tend to use for loops for this kind of thing :-

for file in `cat /etc/usr/bin/removefilelist`
do
rm -f "$file"
done

Surely to remove a channel, you need to


grep -v "$channel_remove" channels.txt > channels.NEW
mv channels.NEW channels.txt


ps - just noticed the sed command that Demas had posted which...

If you would prefer the contents emailed as an attachment rather than within the body of the message :-


ls -l > dirlist
echo "Please find the attached directory listing" | mailx -s "direcory"...

Hi - you probably don't need this now, but here is another way :-


num=`cat testfile | wc -l`
echo $num
if [ $num -gt 150 ]
then
echo "Condition Success"
else
echo "Condition Failed"...

This will work :-

found=0
if [ -s A123.rej ]
then
found=1
fi

if [ -s A345.rej ]
then
found=1
fi

if [ $found = 0 ]
then
echo "No Data"
else
echo "Data found"
fi

Hi - I may be missing the point here, but if it is only the first update line that you are interested in, you could simply do the following :-

grep "Update completed" MyLogFile | head -1
Is this...