in reply to Perl substitute

perl -i~ -pe 's/<>/`<>`/g' directory/*

[download]
See perlrun, perlop.
لսႽ† ᥲᥒ⚪⟊Ⴙᘓᖇ Ꮅᘓᖇ⎱ Ⴙᥲ𝇋ƙᘓᖇ

In Section Seekers of Perl Wisdom