Search:

"Useless Uses of Cat" :) How amusing :) Where's the list kept? Using cat is a bad habit of mine from working with compressed files all day (zcat $file | blah blah...). But! If there's a sed command...

Though this doesn't really fit into the programming challenge I'd use sed to accomplish this:

cat $file |sed 's/[TAB]/[3SPACES/' > $newfile

Sometimes the best programming is using the tools...