scripts (create-sqlite-db): move to `scripts` dir and edit it

README.md

@@ -2,6 +2,4 @@
 
 ## 🖴 Create SQLite Database
 
-```bash
-sqlite3 homedisk.db < tables.sql
-```
+Run file `./scripts/create-sqlite-database.sh` to create SQLite database file.

scripts/create-sqlite-database.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+
+if [ -f 'homedisk.db' ]
+then
+    echo 'Database `homedisk.db` exists!'
+    exit 1
+fi
+
+# create a database using the commands from the `tables.sql` file
+sqlite3 homedisk.db < tables.sql
+
+echo 'Created SQLite database `homedisk.db`!'

sqlite.sh

@@ -1,3 +0,0 @@
-#!/bin/bash
-
-sqlite3 homedisk.db < tables.sql