grep files with whitespaces in filename

Question

I have a list contains filenames. Some of filenames contain whitespaces:

./folder/folder/some file name.ext

I need to grep each of these files:

cat filelist | while read i; do grep "pattern" $i; done

Obviously grep fails because of whitespaces:

grep ./folder/folder/some: No such file or directory
grep file: No such file or directory
grep name: No such file or directory

I've tried to escape whitespaces like:

:%s/some file name/some\ file\ name/g

but no luck. How can I perform my operation? Thanks!

Answer 1

You can use this loop:

while read -r i; do grep "pattern" "$i"; done < filelist

Using a pipe with cat is error prone and BASH will treat strings with space as separate arguments.