scripts/set in rvm-1.0.2 vs scripts/set in rvm-1.0.3

@@ -98,11 +98,12 @@
   fi
   if [[ ${#errors[*]} -gt 0 ]] ; then
     summary="$summary \033[0;31m${#errors[*]} errors: $(echo "${errors[*]}" | sed 's# #, #g')\033[0m\n"
   fi
   total=${#rubies[*]}
-  if [[ ! -z "$ZSH_VERSION" ]] ; then array_start=1 ; else array_start=0 ; fi
+  if [[ -n "${ZSH_VERSION:-""}" ]] ; then array_start=1 ; else array_start=0 ; fi
+
   printf "$summary" | tee -a log/summary.log
   return ${#errors[*]}
 }
 
 # Output the summary in a yaml format.
@@ -112,11 +113,11 @@
   for var in ${successes[*]} ; do yaml="$yaml\n  - $var" ; done
   yaml="$yaml\nerrors:"
   for var in ${errors[*]} ; do yaml="$yaml\n  - $var" ; done
   yaml="$yaml\nrubies:"
   total=${#rubies[*]}
-  if [[ ! -z "$ZSH_VERSION" ]] ; then array_start=1 ; else array_start=0 ; fi
+  if [[ -n "${ZSH_VERSION:-""}" ]] ; then array_start=1 ; else array_start=0 ; fi
   for (( index = $array_start ; index < $total + $array_start ; index++ )) ; do
     if [[ ! -z "$rvm_debug_flag" ]] ; then
       "$rvm_scripts_path/log" "debug" "${rubies[$index]}: ${statuses[$index]}"
     fi
     yaml="$yaml\n  \"${rubies[$index]}\": ${statuses[$index]}"
@@ -134,11 +135,12 @@
   json="$json\n  \"successful\": [$(echo \"${successes[*]}\" | sed 's# #", "#g' | sed 's#\"\"##')],"
   json="$json\n  \"errors\": [$(echo \"${errors[*]}\" | sed 's# #", "#g' | sed 's#\"\"##')],"
   json="$json\n  \"rubies\": {"
 
   total=${#rubies[*]}
-  if [[ ! -z "$ZSH_VERSION" ]] ; then array_start=1 ; else array_start=0 ; fi
+  if [[ -n "${ZSH_VERSION:-""}" ]] ; then array_start=1 ; else array_start=0 ; fi
+
   for (( index = $array_start ; index < $total + $array_start ; index++ )) ; do
     if [[ ! -z "$rvm_debug_flag" ]] ; then
       "$rvm_scripts_path/log" "debug" "${rubies[$index]}: ${statuses[$index]}"
     fi
     json="$json\n    {\"${rubies[$index]}\": ${statuses[$index]}}"
@@ -155,13 +157,12 @@
 # Loop over a set or all rvm installed rubies to perform some action.
 # Record the results and report based on CLI selections.
 
 rubies=() ; successes=() ; errors=() ; statuses=()
 
-
-action="$1";
-[[ "$#" -gt 0 ]] && shift
-args="$*"
+args=($*)
+action="${args[0]}"
+args="$(echo ${args[@]:1}) " # Strip trailing / leading / extra spacing.
 
 if [[ "$action" == "ruby" ]] && echo "$args" | \grep -q  "^'--[^[:space:]]*'$" ; then
   "$rvm_scripts_path/log" "warn" "You called rvm ruby with the arguments $args which look like use options."
   "$rvm_scripts_path/log" "warn" "Please note that 'rvm ruby' invokes set operations instead."
 fi