Lighting talk made at paris.rb ( 2015/11/03 )

1. Some Pry
Features
@yannvery

2. IRB is great to experiment
Pry is more

3. 1 - Basics
ls - list methods
? - show documentation
$ - show source code

4. 2 - History
[4] pry(main)> hist
1: (0..5).each do |number|
2: puts number
3: end

5. 2 - History - replay
[5] pry(main)> hist --replay 1..3
0
1
…

6. 2 - History - all
[35] pry(main)> hist --all --tail 100
Use --all option to list all pry history

7. [6] pry(main)> def fullname
[7] pry(main)> [first, last].compact.join(' ')
[8] pry(main)> edit
3 - Editor

8. 3 - Editor

9. 3 - Editor
[9] pry(main)> fullname('John', 'Doe')
=> "John Doe"

10. 3 - Editor
configure your editor
edit .pryrc file
Pry.config.editor = 'subl -w'

11. 4 - Copy to clipboard
gem install gist
[9] pry(main)> clipit fullname
Copied content to clipboad!

12. 5 - Reload
# Ruby
load 'lib/user.rb'
#Rails
reload!
with IRB

13. 5 - Reload
[1] pry(main)> user = User.last
[2] pry(main)> edit user
with PRY

14. 5 - Reload
with PRY

15. [1] pry(main)> user = User.last
[2] pry(main)> edit user
[2] pry(main)> user.fullname
=> "John Doe"
5 - Reload
with PRY

16. Questions ?!
Pry
• https://github.com/pry/pry/wiki
Yann VERY (@yannvery)
• http://ribium.com