Use shell instead of sed.

Author: havenwood

share/chruby/chruby.sh

@@ -2,9 +2,13 @@ CHRUBY_VERSION="0.3.8"
 
 function chruby_rubies()
 {
-	find "$@" -mindepth 1 -maxdepth 1 -type "d" 2>/dev/null |
-	sed -e "h" -e 's/.*\///' -e 's/-/./g' -e "G" -e 's/\n/ /' |
-	sort -t "." -k "1,1" -k "2,2n" -k "3,3n" -k "4,4n" | sed 's/[^ ]* //'
+	sortable=()
+	find "$@" -mindepth 1 -maxdepth 1 -type "d" 2>/dev/null | while read ruby; do
+		sortable+="${ruby##*/}\t$ruby"
+	done
+	sortable=("${sortable[@]/-/.}")
+
+	printf "%b\n" "${sortable[@]}" | sort -t "." -k "1,1" -k "2,2n" -k "3,3n" -k "4,4n" | cut -f 2
 }
 
 RUBIES=($(chruby_rubies "$PREFIX/opt/rubies" "$HOME/.rubies"))