feat!: refactor base, config, dfm and scripts

local/bin/x-path-prepend

@@ -3,4 +3,50 @@
 # Add a directory to the front of the PATH if it exists and is not already there
 # Usage: x-path-prepend <dir>
 
-export PATH="$1${PATH:+":$PATH"}"
+# Set verbosity with VERBOSE=1
+VERBOSE="${VERBOSE:-0}"
+
+# Function to print usage information
+usage()
+{
+  echo "Usage: $0 <dir>"
+  exit 1
+}
+
+# Function to print messages if VERBOSE is enabled
+# $1 - message (string)
+msg()
+{
+  [[ "$VERBOSE" -eq 1 ]] && echo "$1"
+}
+
+# Function to add a directory to the front of PATH
+# $1 - directory to add (string)
+prepend_to_path()
+{
+  local dir=$1
+
+  if [ ! -d "$dir" ]; then
+    msg "(?) Directory $dir does not exist"
+    exit 0
+  fi
+
+  if echo "$PATH" | grep -qE "(^|:)$dir($|:)"; then
+    msg "(!) Directory $dir is already in PATH"
+  else
+    export PATH="$dir${PATH:+":$PATH"}"
+    msg "(!) Directory $dir has been added to the front of PATH"
+  fi
+}
+
+# Main function
+main()
+{
+  if [ "$#" -ne 1 ]; then
+    usage
+  fi
+
+  prepend_to_path "$1"
+}
+
+main "$@"