diff --git a/rc b/rc
index b6ec26d..d12a094 100755
--- a/rc
+++ b/rc
@@ -1,36 +1,36 @@
 # source me to enable tools
 case $OSTYPE in
     darwin*) 
-      TOOLSPATH=$( realpath $( dirname "$BASH_SOURCE" ) )
+      QTOOLSPATH=$( realpath $( dirname "$BASH_SOURCE" ) )
     ;;
     *)
-      TOOLSPATH=$( readlink -f $( dirname "$BASH_SOURCE" ) )
+      QTOOLSPATH=$( readlink -f $( dirname "$BASH_SOURCE" ) )
     ;;
 esac     
 
-PATH=$PATH:"$TOOLSPATH"/bin
-[[ "$1" = "-f" ]] && PATH="$TOOLSPATH"/bin:$PATH
+PATH=$PATH:"$QTOOLSPATH"/bin
+[[ "$1" = "-f" ]] && PATH="$QTOOLSPATH"/bin:$PATH
 
-. "$TOOLSPATH"/qcd_function
+. "$QTOOLSPATH"/qcd_function
 path_remove_duplicates
-[[ -f "$TOOLSPATH"/tsv/tsvkit.sh ]] && . "$TOOLSPATH"/tsv/tsvkit.sh &>/dev/null
+[[ -f "$QTOOLSPATH"/tsv/tsvkit.sh ]] && . "$QTOOLSPATH"/tsv/tsvkit.sh &>/dev/null
 function _q-tools-reload {                                                        
     # reload self                                                               
-    [[ -z "$TOOLSPATH" ]] && return                                             
-    source "$TOOLSPATH"/rc                                                          
+    [[ -z "$QTOOLSPATH" ]] && return                                             
+    source "$QTOOLSPATH"/rc                                                          
 }         
 function _q-tools-update {                                                        
     # update self                                                               
-    [[ -z "$TOOLSPATH" ]] && return                                             
-    [[ -w "$TOOLSPATH" ]] || return                                             
-    "$TOOLSPATH"/rc -u              
+    [[ -z "$QTOOLSPATH" ]] && return                                             
+    [[ -w "$QTOOLSPATH" ]] || return                                             
+    "$QTOOLSPATH"/rc -u              
     _q-tools-reload                                            
 }
 
 
 function _self_update() {
-    touch "$TOOLSPATH"/.lastupdate
-    pushd "$TOOLSPATH" > /dev/null
+    touch "$QTOOLSPATH"/.lastupdate
+    pushd "$QTOOLSPATH" > /dev/null
     [[ "$1" = "-u" ]] && {
         hg pull -u https://bitbucket.org/MoonQ/tools
     } || {
@@ -38,23 +38,23 @@ function _self_update() {
     }
     popd > /dev/null
     # ncsv update
-    [[ -d "$TOOLSPATH"/ncsv ]] && {
-        pushd "$TOOLSPATH"/ncsv > /dev/null
+    [[ -d "$QTOOLSPATH"/ncsv ]] && {
+        pushd "$QTOOLSPATH"/ncsv > /dev/null
         [[ "$1" = "-u" ]] && {
             hg pull -u
             
         } || {
             timeout 10 hg pull -u > /dev/null 2>&1
         }
-        ln -sfT ../ncsv/ncsv/ncsv.py "$TOOLSPATH"/bin/ncsv
+        ln -sfT ../ncsv/ncsv/ncsv.py "$QTOOLSPATH"/bin/ncsv
         popd > /dev/null
     } || true
 }
 
 function _check_ncsv() {
-    [[ -d "$TOOLSPATH"/ncsv ]] || {
-        hg clone https://bitbucket.org/MoonQ/ncsv "$TOOLSPATH"/ncsv
-        ln -sfT ../ncsv/ncsv/ncsv.py "$TOOLSPATH"/bin/ncsv
+    [[ -d "$QTOOLSPATH"/ncsv ]] || {
+        hg clone https://bitbucket.org/MoonQ/ncsv "$QTOOLSPATH"/ncsv
+        ln -sfT ../ncsv/ncsv/ncsv.py "$QTOOLSPATH"/bin/ncsv
     }
 }
 
@@ -69,16 +69,16 @@ unset -f _check_ncsv
 # Update self weekly,
 # if folder writable, if repository, if an interactive terminal, if not updated the last week
 TOOLS_TO_UPDATE=1
-[[ -w "$TOOLSPATH" ]] || TOOLS_TO_UPDATE=0
-[[ -w "$TOOLSPATH"/.hg ]] || TOOLS_TO_UPDATE=0
+[[ -w "$QTOOLSPATH" ]] || TOOLS_TO_UPDATE=0
+[[ -w "$QTOOLSPATH"/.hg ]] || TOOLS_TO_UPDATE=0
 [[ -t 0 ]] || TOOLS_TO_UPDATE=0
 [[ -t 1 ]] || TOOLS_TO_UPDATE=0
 [[ -t 2 ]] || TOOLS_TO_UPDATE=0
-[[ -f "$TOOLSPATH"/.lastupdate ]] || touch -t 0101010101 "$TOOLSPATH"/.lastupdate 2> /dev/null
-[[ -w "$TOOLSPATH"/.lastupdate ]] || TOOLS_TO_UPDATE=0
+[[ -f "$QTOOLSPATH"/.lastupdate ]] || touch -t 0101010101 "$QTOOLSPATH"/.lastupdate 2> /dev/null
+[[ -w "$QTOOLSPATH"/.lastupdate ]] || TOOLS_TO_UPDATE=0
 
 if [ $TOOLS_TO_UPDATE -eq 1 ]; then 
-  TOOLS_LASTUPDATE=$( "$TOOLSPATH"/files/file-age "$TOOLSPATH"/.lastupdate d )
+  TOOLS_LASTUPDATE=$( "$QTOOLSPATH"/files/file-age "$QTOOLSPATH"/.lastupdate d )
   [[ "$TOOLS_LASTUPDATE" -gt 7 ]] && _self_update 
   unset TOOLS_LASTUPDATE
 fi