Design learning tools

Provide diagrams for a Virtualized Execution Environment

Propose interfaces for a cli toolkit

examples/opnsense/scripts/learn-harmony

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+#! /bin/bash
+
+learn-harmony()(
+
+  set -eu
+
+  [ "${1:-}" != "-d" ]  || { set -x ; shift ; }
+  trap '[ "$?" = "0" ] || >&2 echo  ABNORMAL TERMINATION' EXIT
+
+  BASE_DIR=$(readlink -f "$(dirname "${BASH_SOURCE}")/..")
+  SCRIPTS_DIR=$(readlink -f "$(dirname "${BASH_SOURCE}")")
+  . "${SCRIPTS_DIR}/common"
+  export PATH=$SCRIPTS_DIR:$PATH
+
+  _short_help(){
+
+    cat <<-EOM
+  
+  NAME
+    learn-harmony -- Harmony Learning Tool prototype
+    ($(basename ${BASE_DIR}) example)
+
+  SYNOPSYS
+
+    learn-harmony [GLOBAL_OPTIONS] COMMAND [OPTIONS]
+
+    learn-harmony list              # List learning steps
+    learn-harmony show STEP         # Show instruction of step STEP
+    learn-harmony check [STEP]        # Verify that your ready to begin step STEP+1
+
+EOM
+
+  }
+
+  _extra_help(){
+
+    cat <<-EOM
+
+  GLOBAL_OPTIONS
+
+    -d     Debug mode.
+
+  WARNINGS
+
+    This script is experimetal. Use with caution.
+EOM
+
+  }
+
+case "${1:-}" in
+
+  -h|--help|"")
+	_short_help
+	_extra_help
+	;;
+   ls|list)
+	   echo "not implemented"
+	   ;;
+   show)
+	   echo "not implemented"
+	   ;;
+   verify)
+	   echo "not implemented"
+	   ;;
+   *)
+        _warn "Unknown COMMAND '$1'"
+	exit 1
+	;;
+esac 
+
+)
+
+
+[ "$0" != "${BASH_SOURCE}" ] || learn-harmony "${@}"
+