New installer for Rbenv and Ruby

other_software/install_rbenv_and_ruby.sh

@@ -0,0 +1,45 @@
+#!/bin/bash
+
+# Install rbenv and ruby-build
+echo "Installing rbenv and ruby-build..."
+if ! command -v git &> /dev/null; then
+  echo "git is not installed. Please install git first."
+  exit 1
+fi
+
+if ! command -v curl &> /dev/null; then
+  echo "curl is not installed. Please install curl first."
+  exit 1
+fi
+
+git clone https://github.com/rbenv/rbenv.git ~/.rbenv
+cd ~/.rbenv && src/configure && make -C src
+echo "export PATH=\"\$HOME/.rbenv/bin:\$PATH\"" >> ~/.bashrc
+echo "eval \"\$(rbenv init -)\"" >> ~/.bashrc
+# shellcheck source=/dev/null
+source ~/.bashrc
+
+git clone https://github.com/rbenv/ruby-build.git ~/.rbenv/plugins/ruby-build
+echo "export PATH=\"\$HOME/.rbenv/plugins/ruby-build/bin:\$PATH\"" >> ~/.bashrc
+# shellcheck source=/dev/null
+source ~/.bashrc
+
+# Get the latest 5 Ruby versions
+echo "Fetching latest Ruby versions..."
+VERSIONS=$(rbenv install -l | grep -E "^\s*\d+\.\d+\.\d+$" | tail -n 5)
+
+# Present the user with options
+echo "Please select a Ruby version to install:"
+select VERSION in $VERSIONS; do
+  if [[ -n "$VERSION" ]]; then
+    echo "You selected $VERSION. Installing..."
+    rbenv install "$VERSION"
+    rbenv global "$VERSION"
+    echo "Ruby $VERSION installed and set as global version."
+    break
+  else
+    echo "Invalid selection. Please try again."
+  fi
+done
+
+echo "Done!"