Merge pull request #17849 from oluG4real/command-line-arguments

Command line arguments - retest

Author: lor6

linux-bash-modules/command-line-arguments/src/main/bash/flag-positional-param.sh

@@ -0,0 +1,20 @@
+
+while getopts u:a:f: flag
+do
+    case "${flag}" in
+        u) username=${OPTARG};;
+        a) age=${OPTARG};;
+        f) fullname=${OPTARG};;
+    esac
+done
+#Now handle positional arguments
+shift $((OPTIND - 1))
+param1=$1 # First positional argument 
+param2=$2 # Second positional argument 
+param3=$3 # Third positional argument
+echo "Username: $username"; 
+echo "Age: $age"; 
+echo "Full Name: $fullname";
+echo "First Positional Parameter: $param1";
+echo "Second Positional Parameter: $param2";
+echo "Third Positional Parameter: $param3";

linux-bash-modules/command-line-arguments/src/main/bash/userReg-validation-positional-parameter.sh

@@ -0,0 +1,9 @@
+# Argument validation check
+if [ "$#" -ne 3 ]; then
+    echo "Usage: $0 <username> <age> <fullname>"
+    exit 1
+fi
+# The Positional Parameters
+echo "Username: $1"; 
+echo "Age: $2"; 
+echo "Full Name: $3";