Answer / senthil m

For single file, you can do following command;

mv interview\ question.sh interview-question.sh

For multiple files on the current working folder;

for i in *\ *.sh
do
j=`echo $i|sed "s/ /-/g"`
mv "$i" $j
done

Answer / chetan

sorry, forgot to keep the "mv" command in my last post.

for i in *.sh
do
n=`echo $i|sed 's/ /-/g'`
mv "$i" $n
done

Answer / abc

For single file, you can do following command;

mv "interview question.sh" interview-question.sh

Answer / indusharma5

I tried following, but it doesn't work.
find . -name "*.sh" -0 -print0| xargs -n1 -I{} -0 sh -c '`mv {} echo "{}"|sed -n 's/ /-/g'`'

Answer / chetan

for i in *.sh
do
echo $i|sed 's/ /-/g'
done

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