diff --git a/bes.ini b/bes.ini
index df55627..cbf374c 100644
--- a/bes.ini
+++ b/bes.ini
@@ -11,5 +11,5 @@ keywords    = "bash, bes, build"
  
 [require]
 bes.ini     = 1.1
-bes.echo    = 1.1
-bes.install = 1.0
+bes.echo    = 1.2
+bes.install = 1.1
diff --git a/dist/bes-build b/dist/bes-build
index b6c50c4..d2cc452 100755
--- a/dist/bes-build
+++ b/dist/bes-build
@@ -1,6 +1,103 @@
 #!/bin/bash
 # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 #
+# @author   a-Sansara - https://git.pluie.org/meta-tech/bes-color
+# @app      bes-color
+# @license  GNU GPL v3
+# @date     2017-10-23 23:30:54 CET
+#
+# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+function bes.color.boot () {
+    BES_NOCOLOR=${BES_NOCOLOR:-0}
+    if [ "$BES_NOCOLOR" -eq 0 ]; then
+        # by convention all colors begins with 'C' uppercase
+        # followed by a name in lowercase
+        #                     background    foreground
+        #                     R   G   B      R   G   B
+        color.set "Chead"     53 114 160    195 223 255
+        color.set "Cheadsep"  53 114 160    252 212 102
+        #                     background
+        #                     R   G   B
+        color.bg  "Cdone"     63 172 138
+        color.bg  "Cfail"    172  63  85
+        #                     foreground
+        #                     R   G   B
+        color.fg  "Ctitle"   133  92 181
+        color.fg  "Cheadline" 22  74 133
+        color.fg  "Csep"      80  80  80
+        color.fg  "Cerr"     194  48  64
+        color.fg  "Cval"     255 175  95
+        color.fg  "Ckey"      40 168 134
+        color.fg  "Caction"  106 183 241 
+        color.fg  "Csymbol"  255 175  95
+        color.fg  "Citem"     92 147 181
+        color.fg  "Cusa"     255 172   0
+        color.fg  "Cspe"     255 214 166
+        color.fg  "Copt"      94 215 255
+        color.fg  "Ccom"     175 135 175
+        color.fg  "Ctext"      0 132 101
+        color.fg  "Cmeta"     39 100 170 
+        Coff="\\033[m"
+    fi
+}
+# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+function color.fg()
+{
+    local -n var=$1
+    var="\033[1;38;2;$2;$3;$4m"
+}
+# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+function color.bg()
+{
+    local -n var=$1
+    var="\033[1;48;2;$2;$3;$4m"
+}
+# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+function color.set()
+{
+    local -n var=$1
+    var="\033[1;48;2;$2;$3;$4;1;38;2;$5;$6;$7m"
+}
+# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+function color.rgb ()
+{
+    local c=${3:-0}
+    local v=$1
+    local -n r=${2}_r
+    local -n g=${2}_g
+    local -n b=${2}_b
+    if [ -z  "$v" ]; then
+        r=$c
+        g=$c
+        b=$c
+        return
+    fi
+    r=${v%%;*}
+    [ "$v" = "$r" ] && v='' || v="${v#*;}"
+    if [ -z "$r" ]; then r=$c; fi
+    g=${v%%;*}
+    [ "$v" = "$g" ] && v='' || v="${v#*;}"
+    if [ -z "$g" ]; then g=$c; fi
+    b=${v%%;*}
+    if [ -z "$b" ]; then b=$c; fi
+}
+# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+function color.env () {
+    local -n   var=${2:-shenv}
+    local        v=ctx$1
+    local  ctxPROD="174 8 49"
+    local   ctxINT="218 84 0"
+    local   ctxDEV="218 159 0"
+    local ctxLOCAL="122 122 122"
+    if [ -z "${!v}" ]; then
+        v=ctxLOCAL
+        SHENV_CTX=LOCAL
+    fi
+    var=${!v}
+}
+# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+bes.color.boot
+#
 # @author   a-Sansara - https://git.pluie.org/meta-tech/bes-echo
 # @app      bes-echo
 # @license  GNU GPL v3
@@ -9,80 +106,49 @@
 # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 function bes.echo.boot ()
 {
-    BES_TERM_WIDTH=${BES_TERM_WIDTH:-105}
-       BES_NOCOLOR=${BES_NOCOLOR:-0}
-
-    if [ "$BES_NOCOLOR" -eq 0 ]; then
-             Cok="\033[0;38;5;43m";              Cko="\033[0;38;5;217m"
-            Coff="\033[m";                    Ctitle="\033[1;48;5;24;1;38;5;15m"
-           Cdone="\033[1;48;5;36;1;38;5;15m";  Cfail="\033[1;48;5;196;1;38;5;15m"
-            Cspe="\033[1;38;5;223m";           Citem="\033[1;38;5;214m"
-            Cval="\033[1;38;5;215m";            Cusa="\033[1;38;5;214m"
-            Cbra="\033[1;38;5;203m";           Crepo="\033[1;38;5;223m"
-           Cmeta="\033[1;38;5;30m";            Ctext="\033[1;38;5;30m"
-            Copt="\033[1;38;5;81m";             Csep="\033[1;38;5;241m"
-            Cerr="\033[1;38;5;196m";            Ccom="\033[0;38;5;139m"
-        Csection="\033[1;38;5;97m";          Caction="\033[0;38;5;37m"
-    fi
+    BES_TERM_WIDTH=${COLUMNS:-130}
+    BES_TERM_WIDTH=$(($BES_TERM_WIDTH - 20))
 }
 # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-function bes.echo ()
+function echo.msg ()
 {
-    local      msg=${1:-''}
-    local isAction=${2:-'0'}
-    local   symbol=${3:-' *'}
-    if [ ! "$BES_NOCOLOR" = 1 ]; then
-        local   c=" "
-        if [ -z "$isAction" ] || [ "$isAction" = 1 ]; then
-            c=$Caction
-        fi
-        if [ ! "$isAction" = 0 ]; then
-            c="   $Citem$symbol $c"
-        fi
-        echo -e " $c$msg$Coff"
-    else
-        if [ ! "$isAction" = 0 ]; then
-            msg="   $symbol $msg"
-        fi
-        echo -e "$msg"
-    fi
+    local c=${2:-}
+    local m=${1:-}
+    echo -e "    $c$m$Coff"
 }
 # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-function bes.echo.action ()
+function echo.state ()
 {
-    bes.echo "$1" 1
-}
-# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-function bes.echo.title ()
-{
-    echo
-    bes.echo " ${Citem}☪ ${Csection}$1 ${Cspe}$2${Coff}"
-    echo
-}
-# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-function bes.echo.keyval ()
-{
-    local c=': '
-    if [ ! "$BES_NOCOLOR" = 1 ]; then
-        c="$Citem: ${Cval}"
-    fi
-    local len="%-15s "
-#    printf "%s %s [UP]\n" $PROC_NAME "${line:${#PROC_NAME}}"
-    bes.echo "$(printf $len $1)  $c$2 " 1 " "
-}
-# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-function bes.echo.state ()
-{
-    local len=8
-    printf "%0.s " $(seq 1 $(($BES_TERM_WIDTH-${len})))
+    local len=14
+    echo -en "      $Csep"
+    printf "%0.s-" $(seq 1 $(($BES_TERM_WIDTH-${len})))
     if [ "$1" = 0 ]; then
-        echo -e "${Cdone}  OK  ${Coff}"
+        echo -e "$Coff $Cdone  OK  $Coff\n"
     else
-        echo -e "${Cfail}  KO  ${Coff}"
+        echo -e "$Coff $Cfail  KO  $Coff\n"
     fi
 }
 # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-function bes.echo.rs ()
+function echo.action ()
+{
+    local symbol=${3:-*}
+    local  color=${4:-Citem}
+    echo -e "    $Csymbol$symbol ${Caction}$1 ${!color}$2$Coff"
+}
+# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+function echo.title ()
+{
+    echo -e "\n  $Csymbol☪ $Ctitle$1 $Coff$Cspe$2$Coff\n"
+}
+# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+function echo.keyval ()
+{
+    local len=${3:-20}
+    local c="$Ckey: ${Cval}"
+    echo -e "   $Ckey $(printf "%-${len}s " "$1")  ${c}${2} $Coff"
+}
+# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+function echo.rs ()
 {
     local rs=${1:-0}
     if [ "$rs" -eq 0 ]; then
@@ -92,47 +158,39 @@ function bes.echo.rs ()
     fi
 }
 # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-function bes.echo.error ()
+function echo.error ()
 {
+    local leave=${2:-0}
     echo -e "\n${Cerr}    error : ${Coff}\n\t$1 ${Coff}\n"
+    if [ "$leave" = "1" ]; then
+        exit 1;
+    fi
 }
 # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-function bes.echo.sepline ()
+function echo.sepline ()
 {
     local  char=${1:-'_'}
     local width=${2:-$BES_TERM_WIDTH}
-    echo -ne "${Csep} "
+    echo -ne "${Cheadline} "
     printf "%0.s$char" $(seq 1 $width)
     echo -e "${Coff}"
 }
 # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-function bes.echo.app ()
+function echo.app ()
 {
     local     msg=${1:-''}
     local version=${2:-''}
     local  author=${3:-'a-Sansara'}
+    local license=${3:-'GNU GPL v3'}
     if [ ! -z "$2" ]; then
         msg="$msg ${Cval}v$version"
     fi
-    local     len="$1${version}license : GNU GPL v3   author:$author"
-    bes.echo.sepline
-    echo -ne "\n  $Ctitle   $msg   $Coff"
+    local     len="$1${version}license : $license   author:$author"
+    echo.sepline
+    echo -ne "\n  $Chead   $msg   $Coff"
     printf "%0.s " $(seq 1 $(($BES_TERM_WIDTH-${#len}-15)))
-    echo -e " ${Cmeta}license : ${Coff}GNU GPL v3   ${Cmeta}author : ${Cval}$author"
-    bes.echo.sepline
-}
-# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-function bes.echo.colormap ()
-{
-    for fgbg in 38 48 ; do
-        for color in {0..256} ; do
-            echo -en "\e[${fgbg};5;${color}m ${color}\t\e[0m"
-            if [ $((($color + 1) % 7)) == 0 ] ; then
-                echo
-            fi
-        done
-        echo
-    done
+    echo -e " ${Cmeta}license : ${Coff}$license   ${Cmeta}author : ${Cval}$author"
+    echo.sepline
 }
 # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 bes.echo.boot
@@ -442,8 +500,10 @@ function bes.install ()
     local  url=${2}
     local path=${3:-/usr/local/bin}
     local done=1
-    bes.echo.title "Installing $app ${Coff}in" "$path"
-
+    echo.title "Installing $app ${Coff}in" "$path"
+    if [ -z "$app" ] || [ -s "$url" ]; then
+        echo.error "in bes.install : \$app '$app' & \$url '$url' are required" 1
+    fi
     if [ -f "./$app" ]; then
         rm ./$app
     fi
@@ -453,38 +513,38 @@ function bes.install ()
         if [ -d $path ]; then
             sudo mv ./$app $path/$app
             local done=$?
-            bes.echo.state $done
+            echo.state $done
         else
-            bes.echo.error "install directory do not exists : ${Cspe}$path"
+            echo.error "install directory do not exists : ${Cspe}$path"
         fi
     else 
-        bes.echo.error "can not download latest version of app $app. please check url : $url"        
+        echo.error "can not download latest version of app $app. please check url : $url"        
     fi
-    bes.echo.rs $done
+    echo.rs $done
 }
 
 # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 function bes.build ()
 {
-    bes.echo.title "building project" "$APP_NAME"
+    echo.title "building project" "$APP_NAME"
     if [ -d "$APP_DIR/src" ]; then 
         if [ ! -d "$APP_DIR/dist" ]; then
-            bes.echo.action "creating dist directory"
+            echo.action "creating dist directory"
             mkdir $APP_DIR/dist
-            bes.echo.state $?
+            cho.state $?
         fi
         if [ -f "$APP_BIN" ]; then
             if [ "$1" = "backup" ] || [ "$1" = "-b" ]; then
-                bes.echo.action "backup last build to ${Coff}dist/$(date +%y%m%d)-$APP_NAME${Coff}"
+                echo.action "backup last build to ${Coff}dist/$(date +%y%m%d)-$APP_NAME${Coff}"
                 mv $APP_BIN $APP_DIR/dist/$(date +%y%m%d)-$APP_NAME
             else
-                bes.echo.action "removing ${Coff}dist/$APP_NAME${Coff}"
+                echo.action "removing ${Coff}dist/$APP_NAME${Coff}"
                 rm $APP_BIN
             fi
-            bes.echo.state $?
+            echo.state $?
         fi
         echo "#!/bin/bash" > $APP_BIN
-        bes.echo.action "reading ${Coff}dependencies"
+        echo.action "reading ${Coff}dependencies"
         if [ -d "$APP_DIR/vendor" ]; then
             for vendor in $(ls $APP_DIR/vendor/); do
                 if [ "$vendor" != "." ] && [ "$vendor" != ".." ]; then
@@ -494,7 +554,7 @@ function bes.build ()
                                 local entrypath="$APP_DIR/vendor/$vendor/$project/src/$(basename $entry)"
                                 if [ -f "$entrypath" ] && [ "${entrypath: -3}" = ".sh" ]; then
                                     tail -n +2 "$entrypath" >> "$APP_BIN"
-                                    bes.echo "      ${Cspe}- ${Cok}appending ${Cusa}$vendorName/$project/${Coff}src/$(basename $entry)"
+                                    echo.msg "      ${Cspe}- ${Cok}appending ${Cusa}$vendorName/$project/${Coff}src/$(basename $entry)"
                                 fi
                             done
                         fi
@@ -502,34 +562,34 @@ function bes.build ()
                 fi
             done
         else
-            bes.echo "     no dependencies, did you forget to run bes-build update ?"
+            echo.msg "     no dependencies, did you forget to run bes-build update ?"
         fi
-        bes.echo.state 0
+        echo.state 0
         
-        bes.echo.action "reading ${Coff}src/"
+        echo.action "reading ${Coff}src/"
         for entry in "$APP_DIR/src"/*.sh; do
             if [ "$(basename $entry)" != "main.sh" ]; then
-                bes.echo "      ${Cspe}- ${Cok}appending ${Coff}src/$(basename $entry)"
+                echo.msg "      ${Cspe}- ${Cok}appending ${Coff}src/$(basename $entry)"
                 tail -n +2 "$entry" >> "$APP_BIN"
             fi
         done
         if [ -f "$APP_DIR/src/main.sh" ]; then
             tail -n +2 "$APP_DIR/src/main.sh" >> "$APP_BIN"
-            bes.echo "      ${Cspe}- ${Cok}appending ${Coff}src/main.sh"
+            echo.msg "      ${Cspe}- ${Cok}appending ${Coff}src/main.sh"
         fi
-        bes.echo.state 0
-        bes.echo.action "set execution mode"
+        echo.state 0
+        echo.action "set execution mode"
         chmod +x $APP_BIN
         done=$?
-        bes.echo.state $done
-        bes.echo.rs $done
+        echo.state $done
+        echo.rs $done
     else
-        bes.echo.error "no src/ directory. exit"
-        bes.echo.state 1
+        echo.error "no src/ directory. exit"
+        echo.state 1
     fi
 }
 
-BES_LIB="echo install ini dep1 dep2"
+BES_LIB="color echo install ini dep1 dep2"
 BES_LOADED_LIB=
 # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 function bes.inlist ()
@@ -559,11 +619,11 @@ function bes.loadExtDep ()
     local vendor=${key%_*}
     local version=${!name}
     if [ ! "$vendor" = "bes" ]; then
-        bes.echo.title "Loading" "${key//_/.}${Cusa} ${!name}${Coff}"
+        echo.title "Loading" "${key//_/.}${Cusa} ${!name}${Coff}"
         if [ ! -d "$APP_DIR/vendor/$vendor" ]; then
-            bes.echo.action "creating vendor directory ${Cusa}$vendor"
+            echo.action "creating vendor directory ${Cusa}$vendor"
             mkdir -p "$APP_DIR/vendor/$vendor"
-            bes.echo.state $?
+            echo.state $?
         fi
         if [ "${version:0:4}" = "http" ]; then
             local req=${!name}
@@ -580,13 +640,13 @@ function bes.loadExtDep ()
             cd "$APP_DIR/vendor/$vendor/$project"
             git checkout $tag
             for entry in "$APP_DIR/vendor/$vendor/$project/src"/*.sh; do
-                bes.echo "      ${Cspe}- ${Cok}set for autoloading ${Coff}src/$(basename $entry)"
+                echo.msg "      ${Cspe}- ${Cok}set for autoloading ${Coff}src/$(basename $entry)"
                 # tail -n +2 "$entry" >> "$APP_BIN"
             done
-            bes.echo.state $?
+            echo.state $?
         fi
     fi
-    bes.echo.rs
+    echo.rs
 }
 # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 function bes.loadDep ()
@@ -598,47 +658,47 @@ function bes.loadDep ()
     local vendor=${key%_*}
     local version=${!name}
     if [ "$vendor" = "bes" ]; then
-        bes.echo.title "Loading" "${key//_/.}${Cusa} ${!name}${Coff}"
+        echo.title "Loading" "${key//_/.}${Cusa} ${!name}${Coff}"
         if bes.inlist "$project" "$BES_LIB"; then
             if bes.inlist "$project" "$BES_LOADED_LIB"; then
-                bes.echo.action "dependencies already loaded for ${Cusa}$project"
-                bes.echo
+                echo.action "dependencies already loaded for ${Cusa}$project"
+                echo
             else
                 if [ "$bescheck" = "1" ]; then
                     if [ ! -d "$APP_DIR/vendor/$vendor" ]; then
-                        bes.echo.action "creating vendor directory ${Cusa}$vendor"
+                        echo.action "creating vendor directory ${Cusa}$vendor"
                         mkdir -p "$APP_DIR/vendor/$vendor"
                     else
-                        bes.echo.action "checking vendor directory ${Cusa}$vendor"
+                        echo.action "checking vendor directory ${Cusa}$vendor"
                     fi
-                    bes.echo.state $?
+                    echo.state $?
                     bescheck=0
                     echo "[bes_vendor]" > $APP_DIR/vendor/.bes
                 fi
                 echo "$project = $version" >> $APP_DIR/vendor/.bes
                 cd "$APP_DIR/vendor/$vendor"
-                bes.echo.action "updating repository $Cusa$vendor.$project ${Coff}:$Cusa $version"
+                echo.action "updating repository $Cusa$vendor.$project ${Coff}:$Cusa $version"
                 if [ ! -d "$project" ]; then
                     git clone -q "https://git.pluie.org/meta-tech/$vendor-$project" "$project" 2>&1 >/dev/null
-                    #~ bes.echo.state $?
+                    #~ echo.state $?
                     cd $project
                 else
                     cd $project
                     git fetch --all -q 2>&1 >/dev/null
-                    #~ bes.echo.state $?
+                    #~ echo.state $?
                 fi
-                #~ bes.echo.action "checkout to version $Cusa$version"
+                #~ echo.action "checkout to version $Cusa$version"
                 local branch=$(git branch --no-color | grep \* | cut -d ' ' -f2-)
                 # branch=${branch:5: -3}
                 if [ "$branch" != "$version" ]; then
                     git checkout -q $version 2>&1 >/dev/null
                 fi
-                bes.echo.state $?
+                echo.state $?
                 for entry in "$APP_DIR/vendor/$vendor/$project/src"/*.sh; do
-                    bes.echo "      ${Cspe}- ${Cok}set for autoloading ${Coff}src/$(basename $entry)"
+                    echo.msg "      ${Cspe}- ${Cok}set for autoloading ${Coff}src/$(basename $entry)"
                     # tail -n +2 "$entry" >> "$APP_BIN"
                 done
-                bes.echo.state $?
+                echo.state $?
                 bes.addLoadedLib $project
                 bes.ini "$APP_DIR/vendor/$vendor/$project/bes.ini" require -p bes$project -b 1
                 local suballvarname=bes${project}_ALL_VARS
@@ -652,8 +712,8 @@ function bes.loadDep ()
 # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 function bes.update ()
 {
-    bes.echo.title "Reading Project" $APP_NAME
-    bes.echo.keyval path $APP_DIR
+    echo.title "Reading Project" $APP_NAME
+    echo.keyval path $APP_DIR
 
     if [ -f $APP_DIR/bes.ini ]; then
         bes.ini $APP_DIR/bes.ini -p bes -b 1
@@ -663,7 +723,7 @@ function bes.update ()
         for key in $keys; do
             value="bes_project_$key"
             if [ ! -z "${!value}" ]; then
-                bes.echo.keyval $key "${!value}"
+                echo.keyval $key "${!value}"
             fi
         done
 
@@ -682,10 +742,10 @@ function bes.update ()
         local key=""
         local bescheck=1;
         if [ ! -z "${bes_ALL_VARS}" ]; then
-            bes.echo.title "Checking Dependencies"
+            echo.title "Checking Dependencies"
             for name in ${bes_ALL_VARS}; do
                 key=${name:${#prefix}+1}
-                bes.echo.keyval ${key//_/.} ${!name}
+                echo.keyval ${key//_/.} ${!name}
             done
             echo
             for name in ${bes_ALL_VARS}; do
@@ -695,8 +755,8 @@ function bes.update ()
         fi
     else
         echo
-        bes.echo '    no bes.ini file for your project'
-        bes.echo.state
+        echo.msg '    no bes.ini file for your project'
+        echo.state
     fi
 }
 
@@ -708,7 +768,7 @@ function bes.usage ()
     ${Cspe}\t$APP_NAME  ${Copt}
     ${Ccom}\tBuild current project and backup existing build
     ${Cspe}\t$APP_NAME  ${Copt}-b${Ctext}, ${Copt}backup
-    ${Ccom}\tInstall or update $APP_NAME on specified BINDIR directory or in /etc/local/bin directory
+    ${Ccom}\tInstall or update $APP_NAME on specified BINDIR directory or in /usr/local/bin directory
     ${Cspe}\t$APP_NAME  ${Copt}-i${Ctext}, ${Copt}install        ${Copt}[ ${Ctext}BINDIR${Copt} ]
     ${Ccom}\tDisplay program version
     ${Cspe}\t$APP_NAME  ${Copt}-v${Ctext}, ${Copt}version
@@ -725,7 +785,7 @@ function bes.usage ()
 # @date     2017-06-16 04:38:52 CET
 #
 # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-      BES_VERSION=0.7
+      BES_VERSION=0.8
          BES_NAME="bes-build"
           BES_URL="https://git.pluie.org/meta-tech/$BES_NAME/raw/latest/dist/$BES_NAME"
           APP_DIR=$(pwd)
@@ -738,7 +798,7 @@ function bes.main ()
     if   [ "$1" = "version" ] || [ "$1" = "-v" ]; then
         echo $BES_VERSION
     else
-        bes.echo.app "$BES_NAME" "$BES_VERSION"
+        echo.app "$BES_NAME" "$BES_VERSION"
         echo
         if   [ "$1" = "install" ] || [ "$1" = "-i" ]; then
             bes.install "$BES_NAME" "$BES_URL" "$2"
diff --git a/src/build.sh b/src/build.sh
index 06cbc70..3bff0a1 100644
--- a/src/build.sh
+++ b/src/build.sh
@@ -3,25 +3,25 @@
 # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 function bes.build ()
 {
-    bes.echo.title "building project" "$APP_NAME"
+    echo.title "building project" "$APP_NAME"
     if [ -d "$APP_DIR/src" ]; then 
         if [ ! -d "$APP_DIR/dist" ]; then
-            bes.echo.action "creating dist directory"
+            echo.action "creating dist directory"
             mkdir $APP_DIR/dist
-            bes.echo.state $?
+            cho.state $?
         fi
         if [ -f "$APP_BIN" ]; then
             if [ "$1" = "backup" ] || [ "$1" = "-b" ]; then
-                bes.echo.action "backup last build to ${Coff}dist/$(date +%y%m%d)-$APP_NAME${Coff}"
+                echo.action "backup last build to ${Coff}dist/$(date +%y%m%d)-$APP_NAME${Coff}"
                 mv $APP_BIN $APP_DIR/dist/$(date +%y%m%d)-$APP_NAME
             else
-                bes.echo.action "removing ${Coff}dist/$APP_NAME${Coff}"
+                echo.action "removing ${Coff}dist/$APP_NAME${Coff}"
                 rm $APP_BIN
             fi
-            bes.echo.state $?
+            echo.state $?
         fi
         echo "#!/bin/bash" > $APP_BIN
-        bes.echo.action "reading ${Coff}dependencies"
+        echo.action "reading ${Coff}dependencies"
         if [ -d "$APP_DIR/vendor" ]; then
             for vendor in $(ls $APP_DIR/vendor/); do
                 if [ "$vendor" != "." ] && [ "$vendor" != ".." ]; then
@@ -31,7 +31,7 @@ function bes.build ()
                                 local entrypath="$APP_DIR/vendor/$vendor/$project/src/$(basename $entry)"
                                 if [ -f "$entrypath" ] && [ "${entrypath: -3}" = ".sh" ]; then
                                     tail -n +2 "$entrypath" >> "$APP_BIN"
-                                    bes.echo "      ${Cspe}- ${Cok}appending ${Cusa}$vendorName/$project/${Coff}src/$(basename $entry)"
+                                    echo.msg "      ${Cspe}- ${Cok}appending ${Cusa}$vendorName/$project/${Coff}src/$(basename $entry)"
                                 fi
                             done
                         fi
@@ -39,29 +39,29 @@ function bes.build ()
                 fi
             done
         else
-            bes.echo "     no dependencies, did you forget to run bes-build update ?"
+            echo.msg "     no dependencies, did you forget to run bes-build update ?"
         fi
-        bes.echo.state 0
+        echo.state 0
         
-        bes.echo.action "reading ${Coff}src/"
+        echo.action "reading ${Coff}src/"
         for entry in "$APP_DIR/src"/*.sh; do
             if [ "$(basename $entry)" != "main.sh" ]; then
-                bes.echo "      ${Cspe}- ${Cok}appending ${Coff}src/$(basename $entry)"
+                echo.msg "      ${Cspe}- ${Cok}appending ${Coff}src/$(basename $entry)"
                 tail -n +2 "$entry" >> "$APP_BIN"
             fi
         done
         if [ -f "$APP_DIR/src/main.sh" ]; then
             tail -n +2 "$APP_DIR/src/main.sh" >> "$APP_BIN"
-            bes.echo "      ${Cspe}- ${Cok}appending ${Coff}src/main.sh"
+            echo.msg "      ${Cspe}- ${Cok}appending ${Coff}src/main.sh"
         fi
-        bes.echo.state 0
-        bes.echo.action "set execution mode"
+        echo.state 0
+        echo.action "set execution mode"
         chmod +x $APP_BIN
         done=$?
-        bes.echo.state $done
-        bes.echo.rs $done
+        echo.state $done
+        echo.rs $done
     else
-        bes.echo.error "no src/ directory. exit"
-        bes.echo.state 1
+        echo.error "no src/ directory. exit"
+        echo.state 1
     fi
 }
diff --git a/src/main.sh b/src/main.sh
index ebcd6a8..1c671a3 100755
--- a/src/main.sh
+++ b/src/main.sh
@@ -7,7 +7,7 @@
 # @date     2017-06-16 04:38:52 CET
 #
 # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-      BES_VERSION=0.7
+      BES_VERSION=0.8
          BES_NAME="bes-build"
           BES_URL="https://git.pluie.org/meta-tech/$BES_NAME/raw/latest/dist/$BES_NAME"
           APP_DIR=$(pwd)
@@ -20,7 +20,7 @@ function bes.main ()
     if   [ "$1" = "version" ] || [ "$1" = "-v" ]; then
         echo $BES_VERSION
     else
-        bes.echo.app "$BES_NAME" "$BES_VERSION"
+        echo.app "$BES_NAME" "$BES_VERSION"
         echo
         if   [ "$1" = "install" ] || [ "$1" = "-i" ]; then
             bes.install "$BES_NAME" "$BES_URL" "$2"
diff --git a/src/update.sh b/src/update.sh
index 736d0f4..93aa17d 100644
--- a/src/update.sh
+++ b/src/update.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-BES_LIB="echo install ini dep1 dep2"
+BES_LIB="color echo install ini dep1 dep2"
 BES_LOADED_LIB=
 # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 function bes.inlist ()
@@ -30,11 +30,11 @@ function bes.loadExtDep ()
     local vendor=${key%_*}
     local version=${!name}
     if [ ! "$vendor" = "bes" ]; then
-        bes.echo.title "Loading" "${key//_/.}${Cusa} ${!name}${Coff}"
+        echo.title "Loading" "${key//_/.}${Cusa} ${!name}${Coff}"
         if [ ! -d "$APP_DIR/vendor/$vendor" ]; then
-            bes.echo.action "creating vendor directory ${Cusa}$vendor"
+            echo.action "creating vendor directory ${Cusa}$vendor"
             mkdir -p "$APP_DIR/vendor/$vendor"
-            bes.echo.state $?
+            echo.state $?
         fi
         if [ "${version:0:4}" = "http" ]; then
             local req=${!name}
@@ -51,13 +51,13 @@ function bes.loadExtDep ()
             cd "$APP_DIR/vendor/$vendor/$project"
             git checkout $tag
             for entry in "$APP_DIR/vendor/$vendor/$project/src"/*.sh; do
-                bes.echo "      ${Cspe}- ${Cok}set for autoloading ${Coff}src/$(basename $entry)"
+                echo.msg "      ${Cspe}- ${Cok}set for autoloading ${Coff}src/$(basename $entry)"
                 # tail -n +2 "$entry" >> "$APP_BIN"
             done
-            bes.echo.state $?
+            echo.state $?
         fi
     fi
-    bes.echo.rs
+    echo.rs
 }
 # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 function bes.loadDep ()
@@ -69,47 +69,47 @@ function bes.loadDep ()
     local vendor=${key%_*}
     local version=${!name}
     if [ "$vendor" = "bes" ]; then
-        bes.echo.title "Loading" "${key//_/.}${Cusa} ${!name}${Coff}"
+        echo.title "Loading" "${key//_/.}${Cusa} ${!name}${Coff}"
         if bes.inlist "$project" "$BES_LIB"; then
             if bes.inlist "$project" "$BES_LOADED_LIB"; then
-                bes.echo.action "dependencies already loaded for ${Cusa}$project"
-                bes.echo
+                echo.action "dependencies already loaded for ${Cusa}$project"
+                echo
             else
                 if [ "$bescheck" = "1" ]; then
                     if [ ! -d "$APP_DIR/vendor/$vendor" ]; then
-                        bes.echo.action "creating vendor directory ${Cusa}$vendor"
+                        echo.action "creating vendor directory ${Cusa}$vendor"
                         mkdir -p "$APP_DIR/vendor/$vendor"
                     else
-                        bes.echo.action "checking vendor directory ${Cusa}$vendor"
+                        echo.action "checking vendor directory ${Cusa}$vendor"
                     fi
-                    bes.echo.state $?
+                    echo.state $?
                     bescheck=0
                     echo "[bes_vendor]" > $APP_DIR/vendor/.bes
                 fi
                 echo "$project = $version" >> $APP_DIR/vendor/.bes
                 cd "$APP_DIR/vendor/$vendor"
-                bes.echo.action "updating repository $Cusa$vendor.$project ${Coff}:$Cusa $version"
+                echo.action "updating repository $Cusa$vendor.$project ${Coff}:$Cusa $version"
                 if [ ! -d "$project" ]; then
                     git clone -q "https://git.pluie.org/meta-tech/$vendor-$project" "$project" 2>&1 >/dev/null
-                    #~ bes.echo.state $?
+                    #~ echo.state $?
                     cd $project
                 else
                     cd $project
                     git fetch --all -q 2>&1 >/dev/null
-                    #~ bes.echo.state $?
+                    #~ echo.state $?
                 fi
-                #~ bes.echo.action "checkout to version $Cusa$version"
+                #~ echo.action "checkout to version $Cusa$version"
                 local branch=$(git branch --no-color | grep \* | cut -d ' ' -f2-)
                 # branch=${branch:5: -3}
                 if [ "$branch" != "$version" ]; then
                     git checkout -q $version 2>&1 >/dev/null
                 fi
-                bes.echo.state $?
+                echo.state $?
                 for entry in "$APP_DIR/vendor/$vendor/$project/src"/*.sh; do
-                    bes.echo "      ${Cspe}- ${Cok}set for autoloading ${Coff}src/$(basename $entry)"
+                    echo.msg "      ${Cspe}- ${Cok}set for autoloading ${Coff}src/$(basename $entry)"
                     # tail -n +2 "$entry" >> "$APP_BIN"
                 done
-                bes.echo.state $?
+                echo.state $?
                 bes.addLoadedLib $project
                 bes.ini "$APP_DIR/vendor/$vendor/$project/bes.ini" require -p bes$project -b 1
                 local suballvarname=bes${project}_ALL_VARS
@@ -123,8 +123,8 @@ function bes.loadDep ()
 # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 function bes.update ()
 {
-    bes.echo.title "Reading Project" $APP_NAME
-    bes.echo.keyval path $APP_DIR
+    echo.title "Reading Project" $APP_NAME
+    echo.keyval path $APP_DIR
 
     if [ -f $APP_DIR/bes.ini ]; then
         bes.ini $APP_DIR/bes.ini -p bes -b 1
@@ -134,7 +134,7 @@ function bes.update ()
         for key in $keys; do
             value="bes_project_$key"
             if [ ! -z "${!value}" ]; then
-                bes.echo.keyval $key "${!value}"
+                echo.keyval $key "${!value}"
             fi
         done
 
@@ -153,10 +153,10 @@ function bes.update ()
         local key=""
         local bescheck=1;
         if [ ! -z "${bes_ALL_VARS}" ]; then
-            bes.echo.title "Checking Dependencies"
+            echo.title "Checking Dependencies"
             for name in ${bes_ALL_VARS}; do
                 key=${name:${#prefix}+1}
-                bes.echo.keyval ${key//_/.} ${!name}
+                echo.keyval ${key//_/.} ${!name}
             done
             echo
             for name in ${bes_ALL_VARS}; do
@@ -166,7 +166,7 @@ function bes.update ()
         fi
     else
         echo
-        bes.echo '    no bes.ini file for your project'
-        bes.echo.state
+        echo.msg '    no bes.ini file for your project'
+        echo.state
     fi
 }
diff --git a/src/usage.sh b/src/usage.sh
index ef69977..c4fe415 100644
--- a/src/usage.sh
+++ b/src/usage.sh
@@ -8,7 +8,7 @@ function bes.usage ()
     ${Cspe}\t$APP_NAME  ${Copt}
     ${Ccom}\tBuild current project and backup existing build
     ${Cspe}\t$APP_NAME  ${Copt}-b${Ctext}, ${Copt}backup
-    ${Ccom}\tInstall or update $APP_NAME on specified BINDIR directory or in /etc/local/bin directory
+    ${Ccom}\tInstall or update $APP_NAME on specified BINDIR directory or in /usr/local/bin directory
     ${Cspe}\t$APP_NAME  ${Copt}-i${Ctext}, ${Copt}install        ${Copt}[ ${Ctext}BINDIR${Copt} ]
     ${Ccom}\tDisplay program version
     ${Cspe}\t$APP_NAME  ${Copt}-v${Ctext}, ${Copt}version