sed usages replaced by built-in replacement function.
sed usages replaced by built-in replacement function.

bfontaine/Katas,bfontaine/Katas,bfontaine/Katas,bfontaine/Katas,bfontaine/Katas,bfontaine/Katas,bfontaine/Katas,bfontaine/Katas,bfontaine/Katas,bfontaine/Katas,bfontaine/Katas,bfontaine/Katas