#!/bin/bash

#for FILE in *; do echo $FILE | sed -e 's/\ /\\\ /g'; echo $FILE | sed -e 's/\ /_/g'; done
for FILE in *; do mv $(echo $FILE | sed -e 's/\ /\\\ /g') $(echo $FILE | sed -e 's/\ /_/g'); done

#do mv $(echo $(echo $(echo $FILE | sed -e '/\ /s//\\\ /') | sed -e '/\ /s//\\\ /') | sed -e '/\ /s//\\\ /') \
#$(echo $(echo $(echo $FILE | sed -e '/\ /s//_/') | sed -e '/\ /s//_/') | sed -e '/\ /s//_/'); 
#done

#for FILE in *; do mv $FILE $(echo $(echo $(echo $FILE | sed -e '/\ /s//_/') | sed -e '/\ /s//_/') | sed -e '/\ /s//_/'); done