create directories and generate passwords

setup.sh

@@ -29,16 +29,43 @@ while read -r -u 3 line; do
   else
     # split line by '=' into key and value
     readarray -d "=" -t currvar<<< "$line"
-    echo -n "please enter value for ${currvar[0]} [${currvar[1]::-1}]: "
+
+    # preset value with default
+    value=${currvar[1]::-1}
+
+    # check if there's a password to generate
+    if [[ ${currvar[0]} =~ (PASS|PASSWORD|PWD|PASSWD)$ ]]; then
+      value=$(openssl rand -base64 29 | tr -d "=+/" | cut -c1-25)
+    fi
+
+    # ask for user input
+    echo -n "please enter value for ${currvar[0]} [$value]: "
     read -r userinput
 
-    # set userinput as new value
+    # set userinput as new value if any
     if [ -n "$userinput" ]; then
-      echo "${currvar[0]}=$userinput" >> .env
-
-    # keep default value if empty userinput
-    else
-      echo "$line" >> .env
+      value=$userinput
     fi
+
+    # check if there's a directory to create
+    if [[ ${currvar[0]} =~ (DIR|DIRECTORY)$ ]]; then
+      if [[ ! -d $value ]]; then
+        echo -n "do you want to create the directory? [Y/n]: "
+        read -r createdir
+        if [[ $createdir =~ ^([yY]|)$ ]]; then
+          mkdir -p "$value"
+          echo "directory created."
+        fi
+      else
+        echo "directory already exists."
+        if [ -n "$(ls -A "$value")" ]; then
+          echo "WATCH OUT! the directory is NOT empty. please ensure this is intended."
+        fi
+      fi
+    fi
+
+    # now append the line    
+    echo "${currvar[0]}=$value" >> .env
+
   fi
 done 3< env.sample