Как вывести скачиваемый wget'ом урл

wget -i url.txt -o debug.log -O -| grep "search" > out.txt
head -1 debug.log >> out.txt

$ while read URI; do echo "$URI"; wget -O - | grep search; done < url.txt

while read URI; do echo "$URI"; wget -i - -O - | grep search; done < url.txt

wget -i url.txt 2>&1 | tr '\n' ' '| egrep "search(.*)http:"

$ while read URI; do echo "$URI"; wget -O - "$URI" | grep search; done < url.txt