Added advanced.bash and compact.bash

.gitignore

@@ -0,0 +1,3 @@
+.session.vim
+.session.viminfo
+

advanced.bash

@@ -0,0 +1,102 @@
+#!/bin/bash
+# Copyright 2020 Liu Dng. All rights reserved.
+# Use of this source code is governed by Apache License
+# that can be found in the LICENSE file.
+
+# trace ERR through pipes
+set -o pipefail
+
+# set -e : exit the script if any statement returns a non-true return value
+set -o errexit
+
+# The dev package version
+declare -gr dev_global_version="1.0.0"
+
+# The dev execution file path
+declare -gr dev_global_self="$(realpath $0)"
+
+# The dev execution base path
+declare -gr dev_global_base="$(dirname $(dirname $dev_global_self))"
+
+declare -g dev_arg_key
+
+declare -g dev_arg_val
+
+#
+# Declare custom global variables
+#
+
+
+cmd_body() {
+    #
+    # Write your own source code here.
+    #
+    echo "This is a sample bash script."
+    echo "$dev_arg_key = $dev_arg_val"
+    echo "Custom arguments: $@"
+}
+
+dev_kernel_help_usage() {
+    echo "Usage: $(basename $dev_global_self) [--trace] [--verbose] [custom-arguments...]"
+    echo "       $(basename $dev_global_self) [--help] [--version]"
+    echo ""
+    echo "Optional arguments:"
+    echo "  --help             Help topic and usage information"
+    echo "  --trace            Print command traces before executing command"
+    echo "  --verbose          Produce more output about what the program does"
+    echo "  --version          Output version information and exit"
+
+    #
+    # Append your custom help here.
+    #
+    echo "  --key=value        Example key and value"
+}
+
+dev_kernel_optional_arguments() {
+    # %: most right
+    # %%: most left
+    # #: most left
+    # ##: most right
+    dev_arg_key=${1%%=*}
+    dev_arg_val="${1#*=}"
+
+    case "$dev_arg_key" in
+        --help)
+            dev_kernel_help_usage
+            exit 0
+            ;;
+        --version)
+            echo "$dev_global_version" >&2
+            exit 0
+            ;;
+        --trace)
+            declare -gr dev_global_trace="1"
+            ;;
+        --verbose)
+            declare -gr dev_global_verbose="1"
+            ;;
+
+        #
+        # Add custom optional arguments here.
+        #
+        --key)
+            declare -gr demo_key="$dev_arg_val"
+            ;;
+
+        *)
+            echo "Optional argument not found: $1" >&2
+            ;;
+    esac
+}
+
+dev_main() {
+    while [[ $# -gt 0 && "${1:0:1}" == "-" ]]; do
+        dev_kernel_optional_arguments "$1"
+        shift
+    done
+
+    [[ "$dev_global_trace" -eq "1" ]] && set -o xtrace
+    cmd_body $@
+}
+
+dev_main $@

compact.bash

@@ -0,0 +1,50 @@
+#!/bin/bash
+# Copyright 2020 Liu Dng. All rights reserved.
+# Use of this source code is governed by Apache License
+# that can be found in the LICENSE file.
+
+. lib/framework.bash
+
+#
+# Declare custom global variables
+#
+
+
+cmd_body() {
+    #
+    # Write your own source code here.
+    #
+    echo "This is a sample bash script."
+    echo "--key = $demo_key"
+    echo "Custom arguments: $@"
+}
+
+dev_custom_help_usage() {
+    #
+    # Append your custom help here.
+    #
+    echo "  --key=value        Example key and value"
+}
+
+dev_custom_optional_arguments() {
+    case "$dev_arg_key" in
+        #
+        # Add custom optional arguments here.
+        #
+        --key)
+            declare -gr demo_key="$dev_arg_val"
+            ;;
+        *)
+            echo "Optional argument not found: $1" >&2
+            ;;
+    esac
+}
+
+dev_custom_validation() {
+    if [[ -z $demo_key ]]; then
+        echo "Error: --key is required." >&2
+        return 1
+    fi
+}
+
+dev_main $@

lib/framework.bash

@@ -0,0 +1,77 @@
+#!/bin/bash
+# Copyright 2020 Liu Dng. All rights reserved.
+# Use of this source code is governed by Apache License
+# that can be found in the LICENSE file.
+
+# trace ERR through pipes
+set -o pipefail
+
+# set -e : exit the script if any statement returns a non-true return value
+set -o errexit
+
+# The dev package version
+declare -gr dev_global_version="1.0.0"
+
+# The dev execution file path
+declare -gr dev_global_self="$(realpath $0)"
+
+# The dev execution base path
+declare -gr dev_global_base="$(dirname $(dirname $dev_global_self))"
+
+declare -g dev_arg_key
+
+declare -g dev_arg_val
+
+dev_kernel_help_usage() {
+    echo "Usage: $(basename $dev_global_self) [--trace] [--verbose] [custom-arguments...]"
+    echo "       $(basename $dev_global_self) [--help] [--version]"
+    echo ""
+    echo "Optional arguments:"
+    echo "  --help             Help topic and usage information"
+    echo "  --trace            Print command traces before executing command"
+    echo "  --verbose          Produce more output about what the program does"
+    echo "  --version          Output version information and exit"
+
+    dev_custom_help_usage
+}
+
+dev_kernel_optional_arguments() {
+    # %: most right
+    # %%: most left
+    # #: most left
+    # ##: most right
+    dev_arg_key=${1%%=*}
+    dev_arg_val="${1#*=}"
+
+    case "$dev_arg_key" in
+        --help)
+            dev_kernel_help_usage
+            exit 0
+            ;;
+        --version)
+            echo "$dev_global_version" >&2
+            exit 0
+            ;;
+        --trace)
+            declare -gr dev_global_trace="1"
+            ;;
+        --verbose)
+            declare -gr dev_global_verbose="1"
+            ;;
+        *)
+            dev_custom_optional_arguments $1
+            ;;
+    esac
+}
+
+dev_main() {
+    while [[ $# -gt 0 && "${1:0:1}" == "-" ]]; do
+        dev_kernel_optional_arguments "$1"
+        shift
+    done
+
+    dev_custom_validation
+
+    [[ "$dev_global_trace" -eq "1" ]] && set -o xtrace
+    cmd_body $@
+}

simple.bash

@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2020 Liudng. All rights reserved.
+# Copyright 2020 Liu Dng. All rights reserved.
 # Use of this source code is governed by Apache License
 # that can be found in the LICENSE file.
 
@@ -18,64 +18,17 @@ declare -gr dev_global_self="$(realpath $0)"
 # The dev execution base path
 declare -gr dev_global_base="$(dirname $(dirname $dev_global_self))"
 
+#
+# Declare custom global variables
+#
+
+
 cmd_body() {
     #
-    # Write your code here.
+    # Write your own source code here.
     #
     echo "This is a sample bash script."
     echo "Custom arguments: $@"
 }
 
-dev_kernel_help_usage() {
-    echo "Usage: $(basename $dev_global_self) [--trace] [--verbose] [custom-arguments...]"
-    echo "       $(basename $dev_global_self) [--help] [--version]"
-    echo ""
-    echo "Optional arguments:"
-    echo "  --help             Help topic and usage information"
-    echo "  --trace            Print command traces before executing command"
-    echo "  --verbose          Produce more output about what the program does"
-    echo "  --version          Output version information and exit"
-
-    #
-    # Append your custom help here.
-    #
-}
-
-dev_kernel_optional_arguments() {
-    case "$1" in
-        --help)
-            dev_kernel_help_usage
-            exit 0
-            ;;
-        --version)
-            echo "$dev_global_version" >&2
-            exit 0
-            ;;
-        --trace)
-            declare -gr dev_global_trace="1"
-            ;;
-        --verbose)
-            declare -gr dev_global_verbose="1"
-            ;;
-
-        #
-        # Add your custom optional arguments here.
-        #
-
-        *)
-            echo "Optional argument not found: $1" >&2
-            ;;
-    esac
-}
-
-dev_main() {
-    while [[ $# -gt 0 && "${1:0:1}" == "-" ]]; do
-        dev_kernel_optional_arguments "$1"
-        shift
-    done
-
-    [[ "$dev_global_trace" -eq "1" ]] && set -o xtrace
-    cmd_body $@
-}
-
-dev_main $@
+cmd_body $@