zsh is pretty much a superset of bash, I'd expect most bash scripts to work with...

FreeFull on Feb 22, 2012 | parent | context | favorite | on: Opinionated dotfiles for vim, zsh, git and OS X

zsh is pretty much a superset of bash, I'd expect most bash scripts to work with zsh with no modification whatsoever, even using most of bash's more advanced features.