diff --git a/includes/bash_functions.sh b/includes/bash_functions.sh
index be1cbbf..8bc2ba7 100644
--- a/includes/bash_functions.sh
+++ b/includes/bash_functions.sh
@@ -33,4 +33,27 @@ function unidecode() {
 function codepoint() {
 	perl -e "use utf8; print sprintf('U+%04X', ord(\"$@\"))"
 	echo # newline
-}
\ No newline at end of file
+}
+
+# Extract archives of various types
+function extract() {
+	if [ -f $1 ] ; then
+		local dir_name=${1%.*}  # Filename without extension
+		case $1 in
+			*.tar.bz2)  tar xjf           $1 ;;
+			*.tar.gz)   tar xzf           $1 ;;
+			*.tar.xz)   tar Jxvf          $1 ;;
+			*.tar)      tar xf            $1 ;;
+			*.tbz2)     tar xjf           $1 ;;
+			*.tgz)      tar xzf           $1 ;;
+			*.bz2)      bunzip2           $1 ;;
+			*.rar)      unrar x           $1 ;;
+			*.gz)       gunzip            $1 ;;
+			*.zip)      unzip -d$dir_name $1 ;;
+			*.Z)        uncompress        $1 ;;
+			*)          echo "'$1' cannot be extracted via extract()" ;;
+		esac
+	else
+		echo "'$1' is not a valid file"
+	fi
+}
diff --git a/setup/brew.sh b/setup/brew.sh
index 8f81d52..7af8bc3 100755
--- a/setup/brew.sh
+++ b/setup/brew.sh
@@ -24,6 +24,7 @@ brew install homebrew/dupes/grep
 # Install everything else
 brew install git
 brew install git-extras
+brew install unrar
 #brew install node
 
 # Remove outdated versions from the cellar