diff --git a/bin/nuxr-nuxsh b/bin/nuxr-nuxsh
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+#!/usr/bin/env bash
+
+###
+### *nuxr-nuxsh* is wrapped bash interpreter for *nux-env* enhanced bash scripts
+### and provides out of the box support for command-style scripts (similar in
+### usage such as apt, git) with following features out of the box:
+###
+###   task selection::
+###        Automaticly selects correct tasks, displays help if
+###        task does not exists.
+###   logging::
+###        Using *nux.log* function and changing output using
+###       *debug*, *trace* prefixes
+###   help display::
+###        Automated help display when no arguments are provided.
+###        Uses source comments as source for help.
+###
+###
+### # Writing nux-runner scripts
+###
+### *nux-runner* scripts are basicly bash scripts with some additional conventions.
+###
+###
+###
+###
+###
+### 1. Shebang::
+###    Shebang (*#!*) at the start of file is *#!/usr/bin/env nuxr-nuxsh*
+### 2. Tasks::
+###    Script usually does only defines functions in form task {taskname}
+###    where taskname
+### ## Defining a task
+###
+###
+###
+###
+
+
+readonly NUX_RUNNER_BIN_DIR=$(dirname $(realpath  ${BASH_SOURCE[0]}))
+source $NUX_RUNNER_BIN_DIR/../inc/nux.inc.sh
+readonly NUX_RUNNER=$NUX_RUNNER_BIN_DIR/nuxr-nuxsh;
+
+nux.use nuxr
+nux.use nux.cfg
+
+##
+## Additional commands provided by *nux-runner*:
+### *nux-runner* automaticly provides following tasks to any script it executes:
+
+##
+
+
+
+##    debug:: <task> [<task arguments>]
+##      Runs specified task with debug messages enabled.
+task.debug() {
+  nux.log.level debug
+  nuxr.run "$@"
+}
+
+##    trace:: <task> [<task arguments>]
+##      Runs specified task with debug & trace enabled.
+task.trace() {
+  nux.log.level trace
+  nuxr.run "$@"
+}
+
+##    help:: [command]
+##      Display help for command or topic if specified. Otherwise displays
+##      documentation.
+task.help() {
+  nuxr.task.help "$@"
+}
+
+##    config:: [type] name [value]
+##      Reads or writes application specific configuration option.
+###
+###     There are 3 *types* of configuration:
+###       dist::
+###         Distribution provided configuration. Read-only configuration.
+###       global::
+###         Global (user-specific) provided configuration. This configuration is
+###         usually stored in *~/.config/{app-name}/config.yml*
+###       local::
+###         Local configuration.
+###
+###     The resulting application configuration is merger of these three (if available)
+###     with following preference (most-specific one):
+###         local, global, dist
+###
+task.config() {
+  nux.log trace "global is" $(nux.cfg.dir.global)
+  nux.log trace "dist is" $(nux.cfg.dir.dist)
+  nux.log trace "local is" $(nux.cfg.dir.local)
+
+  if [ "$#" -ge 3 ] ; then
+    nux.cfg.write "$@"
+  else
+    nux.cfg.read "$@";
+  fi
+}
+
+task.() {
+  task.help
+}
+
+
+##    interactive::
+##      Executes interactive application shell.
+task.interactive() {
+  nuxr.task.interactive "$@"
+}
+###
+###
+
+if [ "$NUX_RUNNER" = "$(realpath "$0")" ]
+then
+	NUX_SCRIPT=$1;
+	shift;
+else
+	NUX_SCRIPT=$0;
+	NUX_NO_INCLUDE="no include";
+fi
+
+if [ -n  "$NUX_SCRIPT" ]; then
+  # Determines script
+  NUX_SCRIPT_DIR=$(dirname "$NUX_SCRIPT")
+  NUXR_APP_BIN=$(realpath "$NUX_SCRIPT")
+  NUXR_APP_BIN_DIR=$(dirname "$NUXR_APP_BIN")
+  NUXR_APP_DIR=$(dirname "$NUXR_APP_BIN_DIR")
+  NUXR_APP_NAME=$(basename "$NUX_SCRIPT")
+
+  NUX_SCRIPTNAME=$(basename "$NUX_SCRIPT")
+
+  nux.log trace "NUX_SCRIPT env: " $(set | grep NUX_SCRIPT)
+  if [ -z "$NUX_NO_INCLUDE" ]
+  then
+  	nux.log debug  "Including script: $NUX_SCRIPT"
+    nux.log trace "NUX_SCRIPT env: " $(set | grep NUX_SCRIPT)
+
+    compilefile=$(realpath nux-env | md5sum | cut -d" " -f1)
+    #FIXME: check if nux_cache should be used.
+    nux.nuxsh.use "$NUX_SCRIPT" "/tmp/$compilefile.nuxr.nuxsh";
+    NUX_NO_INCLUDE="no-include"
+  fi
+  nuxr.main "$@"
+else
+
+  echo  Usage: nux-runner [script] [task] [options]
+  echo
+  grep "^\#\#" "$NUX_RUNNER" | sed -re "s/^#+ ?(.*)/\1/gi"  | nux.help.shelldoc
+  echo
+fi