Bash template script - change line end character

scripts/bash-template.sh

@@ -1,111 +1,118 @@
-#!/usr/bin/env bash
+#!/usr/bin/env bash
-
+
-# https://betterdev.blog/minimal-safe-bash-script-template/
+# !! DRAFT !!
-# https://medium.com/better-programming/my-minimal-safe-bash-script-template-300759114040
+
-
+# https://betterdev.blog/minimal-safe-bash-script-template/
-set -E -o errexit -o nounset -o pipefail
+# https://medium.com/better-programming/my-minimal-safe-bash-script-template-300759114040
-trap cleanup SIGINT SIGTERM ERR EXIT
+# https://github.com/koalaman/shellcheck
-
+
-readonly SCRIPT_NAME=$(basename "${BASH_SOURCE[0]}")
+
-readonly SCRIPT_DIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" &>/dev/null && pwd -P)
+set -E -o errexit -o nounset -o pipefail
-
+trap cleanup SIGINT SIGTERM ERR EXIT
-function usage() {
+
-    cat <<EOT
+readonly SCRIPT_NAME=$(basename "${BASH_SOURCE[0]}")
-Usage: ${script_name} [-h | --help] [-a <ARG>] [--abc <ARG>] [-f | --flag]
+readonly SCRIPT_DIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" &>/dev/null && pwd -P)
-DESCRIPTION
+readonly ERROR_CODE=90
-    Your description here.
+
-OPTIONS:
+function usage() {
--h, --help
+  cat <<-EOT
-        Print this help and exit.
+Usage: ${SCRIPT_NAME} [-h | --help] [-a <ARG>] [--abc <ARG>] [-f | --flag]
--f, --flag
+DESCRIPTION
-        Description for flag option.
+    Your description here.
--a
+OPTIONS:
-        Description for the -a option.
+-h, --help
---abc
+        Print this help and exit.
-        Description for the --abc option.
+-f, --flag
-EOT
+        Description for flag option.
-}
+-a
-
+        Description for the -a option.
-function cleanup() {
+--abc
-  trap - SIGINT SIGTERM ERR EXIT
+        Description for the --abc option.
-  # script cleanup here
+EOT
-}
+}
-
+
-function msg() {
+function cleanup() {
-  echo >&2 -e "${1-}"
+  trap - SIGINT SIGTERM ERR EXIT
-}
+  # script cleanup here
-
+}
-function die() {
+
-  local -r msg="$1"
+function msg() {
-  local -r code="${2:-90}"
+  echo >&2 -e "${1-}"
-  echo "${msg}" >&2
+}
-  exit "${code}"
+
-}
+function die() {
-
+  local msg="$1"
-function parse_params() {
+  local code="${2:-$ERROR_CODE}"
-    local -r args=("${@}")
+  echo "$msg" >&2
-
+  exit "$code"
-    while true; do    
+}
-    
+
-    case "$1" in
+function parse_params() {
-    --abc)
+  local EXTRA_ARGS=()
-            abc_option_flag=1
+
-            shift
+  for ARG in "$@"; do
-            readonly abc_arg="$1"
+    case "$ARG" in
-            shift
+      --abc)
-            ;;
+        abc_option_flag=1
-
+        shift
-    -a)
+        readonly abc_arg="$1"
-            a_option_flag=1
+        shift
-            shift
+        ;;
-            readonly a_arg="$1"
+
-            shift
+      -a)
-            ;;
+        a_option_flag=1
-
+        shift
-    --help|-h)
+        readonly a_arg="$1"
-            usage
+        shift
-            exit 0
+        ;;
-            shift
+
-            ;;
+      --help | -h)
-    
+        usage
-    --flag|-f)
+        exit 0
-            flag_option_flag=1
+        shift
-            shift
+        ;;
-            ;;
+
-    
+      --flag | -f)
-    --)
+        flag_option_flag=1
-            shift
+        shift
-            break
+        ;;
-            ;;
+
-    
+      --)
-    *)
+        shift
-            break
+        break
-            ;;
+        ;;
-    esac
+
-    done
+      *)
-}
+        EXTRA_ARGS+=("$opt")
-
+        ;;
-# MAIN
+
-
+    esac
-a_option_flag=0
+  done
-abc_option_flag=0
+
-flag_option_flag=0
+  # join EXTRA_ARGS a ARGS
-
+}
-
+
-parse_params "$@"
+# MAIN
-
+
-if ((flag_option_flag)); then
+a_option_flag=0
-    echo "flag option set"
+abc_option_flag=0
-fi
+flag_option_flag=0
-
+
-if ((abc_option_flag)); then            # Check if the flag options are set or ON:
+
-    # Logic for when --abc is set.
+parse_params "$@"
-    # "${abc_arg}" should also be set.
+
-    echo "Using --abc option -> arg: [${abc_arg}]"
+if ((flag_option_flag)); then
-fi
+    echo "flag option set"
-
+fi
-if ((a_option_flag)); then
+
-    # Logic for when -a is set.
+if ((abc_option_flag)); then            # Check if the flag options are set or ON:
-    # "${a_arg}" should also be set.
+    # Logic for when --abc is set.
-    echo "Using -a option -> arg: [${a_arg}]"
+    # "${abc_arg}" should also be set.
-fi
+    echo "Using --abc option -> arg: [${abc_arg}]"
+fi
+
+if ((a_option_flag)); then
+    # Logic for when -a is set.
+    # "${a_arg}" should also be set.
+    echo "Using -a option -> arg: [${a_arg}]"
+fi