Course details

Ruby Full Stack Development: RegEx and I/O with Ruby

Overview/Description
Expected Duration
Lesson Objectives
Course Number
Expertise Level

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Overview/Description
Most applications need to use input/output operations for files and databases. Explore how Ruby accesses and manipulates files on a disk and accesses information from databases. In this course, you will see how to define and use regular expressions to manipulate strings. Use the built-in File class to open, access, and close files. See how to write code that reads and writes data to a file, and manipulates files and directories on a drive. Learn how to run the MySQL2 Ruby Gem database connector, create a client connection, and execute CRUD operations, as well as select statements and prepared statements.

Expected Duration (hours)
1.2

Lesson Objectives

Ruby Full Stack Development: RegEx and I/O with Ruby

define and describe regular expressions and how they can be used

use regular expressions to evaluate if a value is valid in Ruby

manipulate and modify strings using regular expressions in Ruby

open, access, and close files and check if a file exists in Ruby

read and write string, byte, and character data to a file in Ruby

manipulate physical files on a drive by renaming, deleting, and copying files in Ruby

create, rename, move, and delete directories from within Ruby

install the MySQL2 Ruby Gem database connector

use the MySQL2 Client class to create a connection object to a MySQL database

create, read, update, and delete data from a database

use sorting, grouping, and aggregation when reading data from a database

use prepared statements to safely pass data to the database

use file and database input and output operations to manipulate files and data stored in databases

Course Number:
it_sddruf_04_enus

Expertise Level
Beginner