alias ls="gls --color=auto --group-directories-first" alias date=gdate alias y=pbcopy alias p=pbpaste alias br=brew alias bru='brew update && brew upgrade && brew cleanup' alias brc='brew cask' # OS X has no `md5sum`, so use `md5` as a fallback is-callable md5sum || alias md5sum="md5" # OS X has no `sha1sum`, so use `shasum` as a fallback is-callable sha1sum || alias sha1sum="shasum"