{basic,modular}: feat: Introducing convenience variables for the base command and command-line arguments

Signed-off-by: 林博仁(Buo-ren, Lin) <Buo.Ren.Lin@gmail.com>

Author: brlin-tw

README.md

@@ -27,6 +27,8 @@ Inherited from the [BARE-MINIMUM](#bare-minimum) flavor, but with the following
     + `script_dir`: The absolute path of the directory that contains the shell script
     + `script_filename`: The full filename of the shell script
     + `script_name`: The name of the shellscript, excluding the filename suffixes
+    + `script_basecommand`: The base command(without arguments) when running the script
+    + `script_args`: An array containing all the command-line arguments when running the script
 
 ## [MODULAR](modular.sh)
 

basic.sh

@@ -67,6 +67,12 @@ if test -v BASH_SOURCE; then
         script_name="${script_filename%%.*}"
     }
 fi
+# Convenience variables may not need to be referenced
+# shellcheck disable=SC2034
+{
+    script_basecommand="${0}"
+    script_args=("${@}")
+}
 
 printf \
     'Info: Operation completed without errors.\n'

modular.sh

@@ -72,6 +72,12 @@ if test -v BASH_SOURCE; then
         script_name="${script_filename%%.*}"
     }
 fi
+# Convenience variables may not need to be referenced
+# shellcheck disable=SC2034
+{
+    script_basecommand="${0}"
+    script_args=("${@}")
+}
 
 trap_err(){
     printf \