sed command with -i option failing on Mac, but works on Linux

Question

I\'ve successfully used the following sed command to search/replace text in Linux:

sed -i \'s/old_link/new_link/g\' *

However,

Answer 1

Sinetris' answer is right, but I use this with find command to be more specific about what files I want to change. In general this should work (tested on osx /bin/bash):

find . -name "*.smth" -exec sed -i '' 's/text1/text2/g' {} \;

In general when using sed without find in complex projects is less efficient.