Add existing scripts

load_example_history.sh

@@ -0,0 +1,23 @@
+#!/usr/bin/env bash
+# Load the example history provided by the Effective Shell book
+
+# If the book examples aren't available, load them
+if [ ! -d ~/effective-shell ]; then
+    echo -e "\e[0;36mCopying Effective Shell example files\e[0m"
+    curl effective.sh | sh
+fi
+
+# Check if there is a backup of the history file already
+if [ ! -f ~/.bash_history.backup ]; then
+    # if not, make a backup of the file
+    cp ~/.bash_history ~/.bash_history.backup
+    # copy the example history
+    cp ~/effective-shell/data/history.txt ~/.bash_history
+    # clear the history
+    history -c
+    # reload the history
+    history -r
+    echo -e "\e[1;31mThe history file has been backed up and test data staged\e[0m"
+else
+    echo -e "\e[1;33mThere is already a history file backup\e[0m"
+fi