do not use grep -q, update #419

scripts/functions/hooks/jruby

@@ -2,7 +2,7 @@
 
 jruby_ngserver_is_running()
 {
-  ps auxww | grep -q '[c]om.martiansoftware.nailgun.NGServer'
+  ps auxww | grep '[c]om.martiansoftware.nailgun.NGServer' >/dev/null
 }
 
 jruby_ngserver_start()

scripts/functions/installer

@@ -353,9 +353,9 @@ install_rvm_hooks()
         __rvm_rm_rf "$rvm_path/$entry"
       fi
       # Source is first level hook (after_use) and target is custom user hook, preserve it
-      if echo "$entry" | \grep -Eq '^hooks/[[:alpha:]]+_[[:alpha:]]+$' &&
+      if echo "$entry" | \grep -E '^hooks/[[:alpha:]]+_[[:alpha:]]+$' >/dev/null &&
         [[ -f "$rvm_path/$entry" ]] &&
-        ! grep -q "$(basename ${entry})_\*" "$rvm_path/$entry"
+        ! grep "$(basename ${entry})_\*" "$rvm_path/$entry" >/dev/null
       then
         mv -f "$rvm_path/$entry" "$rvm_path/${entry}_custom"
       fi
@@ -384,7 +384,7 @@ install_rvm_hooks()
 
   #fix broken copy of after_use to after_use_custom
   if [[ -f "$rvm_path/hooks/after_use_custom" ]] &&
-    grep -q "after_use_\*" "$rvm_path/hooks/after_use_custom"
+    grep "after_use_\*" "$rvm_path/hooks/after_use_custom" >/dev/null
   then
     rm -f "$rvm_path/hooks/after_use_custom"
   fi

scripts/functions/utility

@@ -76,11 +76,10 @@ __rvm_quote_args()
 
   for quoted_argument in "$@"; do
 
-    if printf "%s" "$quoted_argument" | \grep -vq "^[[:alnum:]]$"; then
-
+    if printf "%s" "$quoted_argument" | \grep -v "^[[:alnum:]]$" >/dev/null
+    then
       quoted_string="$quoted_string '$(printf "%s" "$quoted_argument" \
         | \sed "s/'/\'\\\'\'/g")'" #"-fix display quotes
-
     else
       quoted_string="$quoted_string $quoted_argument"
     fi

scripts/zsh/Completion/_rvm

@@ -48,7 +48,7 @@ case $state in
 
         if (( CURRENT == 3 )); then
           # See if we’ve made it to the ‘@’; eg, 1.9.2@
-          if ! \grep -q '@' <<< "${line[CURRENT-1]}" ; then
+          if ! \grep '@' <<< "${line[CURRENT-1]}" >/dev/null ; then
             _values -S , 'rubies' \
               $(rvm list strings | sed -e 's/ruby-\([^) ]*\)-\([^) ]*\)/ruby-\1-\2 \1-\2 \1/g') \
               default system $(rvm alias list | cut -d' ' -f1) && ret=0