#!/bin/sh

ROOTPATH=~/mysh/
TARGETPATH=$ROOTPATH$1

if [ -d "$TARGETPATH" ]; then
  echo "Listing contents of $TARGETPATH..."
  ls -al $TARGETPATH
elif [ -f "$TARGETPATH" ]; then
  echo "$TARGETPATH is a file! Unable to list contents."
else                             
  echo "Unable to find $TARGETPATH! Does it exist?"
fi