diff --git a/bes.ini b/bes.ini
index db9e20e..4674b9c 100644
--- a/bes.ini
+++ b/bes.ini
@@ -1,7 +1,7 @@
 [project]
 vendor      = bes
 name        = config
-version     = 1.0
+version     = 1.1
 license     = "GNU GPL v3"
 author      = a-Sansara
 type        = application
@@ -11,5 +11,5 @@ keywords    = "bash, bes, config"
  
 [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-config b/dist/bes-config
index 96dd9bc..d389df7 100755
--- a/dist/bes-config
+++ b/dist/bes-config
@@ -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
@@ -143,7 +201,7 @@ bes.echo.boot
 # @license  GNU GPL v3
 # @date     2017-05-19 22:52:59 CET
 #
-# bes alter '__' to '_' , rename bes.ini to bes.ini
+# bes alter '__' to '_' , rename read_ini to bes.ini
 #
 # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 #
@@ -167,7 +225,7 @@ function bes.ini ()
     function check_prefix()
     {
         if ! [[ "${VARNAME_PREFIX}" =~ ^[a-zA-Z_][a-zA-Z0-9_]*$ ]] ;then
-            echo "bes.ini: invalid prefix '${VARNAME_PREFIX}'" >&2
+            echo "read_ini: invalid prefix '${VARNAME_PREFIX}'" >&2
             return 1
         fi
     }
@@ -175,7 +233,7 @@ function bes.ini ()
     function check_ini_file()
     {
         if [ ! -r "$INI_FILE" ] ;then
-            echo "bes.ini: '${INI_FILE}' doesn't exist or not" \
+            echo "read_ini: '${INI_FILE}' doesn't exist or not" \
                 "readable" >&2
             return 1
         fi
@@ -194,7 +252,7 @@ function bes.ini ()
     }
     
     # unset all local functions and restore shopt settings before returning
-    # from bes.ini()
+    # from read_ini()
     function cleanup_bash()
     {
         shopt -q -u ${SWITCH_SHOPT}
@@ -261,8 +319,8 @@ function bes.ini ()
     done
 
     if [ -z "$INI_FILE" ] && [ "${CLEAN_ENV}" = 0 ] ;then
-        echo -e "Usage: bes.ini [-c] [-b 0| -b 1]] [-p PREFIX] FILE"\
-            "[SECTION]\n  or   bes.ini -c [-p PREFIX]" >&2
+        echo -e "Usage: read_ini [-c] [-b 0| -b 1]] [-p PREFIX] FILE"\
+            "[SECTION]\n  or   read_ini -c [-p PREFIX]" >&2
         cleanup_bash
         return 1
     fi
@@ -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
@@ -453,20 +513,20 @@ 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.config ()
 {
-    bes.echo.title "Reading Configuration Project" $APP_NAME
+    echo.title "Reading Configuration Project" $APP_NAME
     if [ -f ./bes.ini ]; then 
         bes.ini ./bes.ini -p bes -b 1
 
@@ -477,49 +537,28 @@ function bes.config ()
             value="bes_project_$key"
             if [ ! -z "${!value}" ]; then
                 hasconf=1
-                bes.echo.keyval $key "${!value}"
+                echo.keyval $key "${!value}"
             fi
         done
         if [ "$hasconf" = "0" ]; then
-            bes.echo "    -"
+            echo.msg "    -"
         fi
 
-        bes.echo.title "Dependencies"
+        echo.title "Dependencies"
         bes.ini ./bes.ini require -p bes -b 1
         local prefix="bes_require"
         local    key=""
         for name in ${bes_ALL_VARS}; do
                   key=${name:${#prefix}+1}
             local tmp=${key//_/.}
-            bes.echo.keyval "$tmp" "${!name}"
+            echo.keyval "$tmp" "${!name}"
         done
     else
-        bes.echo "     $project does not have bes.ini file"
+        echo "     $project does not have bes.ini file"
     fi
     echo
 }
 
-  BES_BIN_DIR="$(cd "$( dirname "${BASH_SOURCE[0]}")" && pwd)"
-
-# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-function bes.fn.list ()
-{
-    while IFS= read -r line; do
-        if [ ! "${line:11}" = "bes.fn.list" ] && [ ! "${line:11}" = "read_ini" ]; then
-            echo "${line:11}"
-        fi
-    done < <(declare -F)
-}
-# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-function bes.export ()
-{
-    # $1 : fromFnName
-    # $2 : toFnName
-    local code=$(declare -f "$1")
-    local len=${#1}
-    source /dev/stdin < <(echo "$2${code:len}")
-}
-
 # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 function bes.usage ()
 {
@@ -543,7 +582,7 @@ function bes.usage ()
 # @date     2017-06-16 04:38:52 CET
 #
 # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-      BES_VERSION=0.2
+      BES_VERSION=1.1
          BES_NAME="bes-config"
           BES_URL="https://git.pluie.org/meta-tech/$BES_NAME/raw/latest/dist/$BES_NAME"
           APP_DIR=$(pwd)
@@ -556,7 +595,7 @@ 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/config.sh b/src/config.sh
index 1896dcd..c31d547 100644
--- a/src/config.sh
+++ b/src/config.sh
@@ -3,7 +3,7 @@
 # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 function bes.config ()
 {
-    bes.echo.title "Reading Configuration Project" $APP_NAME
+    echo.title "Reading Configuration Project" $APP_NAME
     if [ -f ./bes.ini ]; then 
         bes.ini ./bes.ini -p bes -b 1
 
@@ -14,24 +14,24 @@ function bes.config ()
             value="bes_project_$key"
             if [ ! -z "${!value}" ]; then
                 hasconf=1
-                bes.echo.keyval $key "${!value}"
+                echo.keyval $key "${!value}"
             fi
         done
         if [ "$hasconf" = "0" ]; then
-            bes.echo "    -"
+            echo.msg "    -"
         fi
 
-        bes.echo.title "Dependencies"
+        echo.title "Dependencies"
         bes.ini ./bes.ini require -p bes -b 1
         local prefix="bes_require"
         local    key=""
         for name in ${bes_ALL_VARS}; do
                   key=${name:${#prefix}+1}
             local tmp=${key//_/.}
-            bes.echo.keyval "$tmp" "${!name}"
+            echo.keyval "$tmp" "${!name}"
         done
     else
-        bes.echo "     $project does not have bes.ini file"
+        echo "     $project does not have bes.ini file"
     fi
     echo
 }
diff --git a/src/main.sh b/src/main.sh
index bd33f90..2e5e5e1 100644
--- a/src/main.sh
+++ b/src/main.sh
@@ -7,7 +7,7 @@
 # @date     2017-06-16 04:38:52 CET
 #
 # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-      BES_VERSION=0.2
+      BES_VERSION=1.1
          BES_NAME="bes-config"
           BES_URL="https://git.pluie.org/meta-tech/$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"