---

title: Pry
layout: default
---

### cd

    > cd Array

    > ls
    Array.methods: [] try_convert
    Array#methods: & * + abbrev assoc at ...

    > show-source

### ls

    > ls         # All

    > ls -m      # Methods
    > ls -M      # Instance methods

    > ls -g      # Globals
    > ls -l      # Local vars
    > ls -c      # Constants

    > ls -i      # Instance vars

    > ls -G xx   # Grey by regex

### Shell integration

shell-mode adds dir to the prompt

    pry(main)> shell-mode
    pry(main):/home/x $

Commands with `.` are shell commands

   pry(main)> .cat hello.txt

### Code

    > show-method Array#select

### Docs

    > ri Array
    > ri Array#each

    > cd Gem
    > show-doc try_activate

Finding

    > find-method each
   Array#each
   Array#each_index
   Enumerable#each_slice
   ...

### Editing

    > edit-method Pry#repl

### Gems

    > gem-cd foo      # Switch to gem's dir
    > gem-install foo
    > gem-list

### Misc commands

    > hist          # History
    > wtf?          # Trace of recent exception

### Rails console

   $ pry -r ./config/environment

### Bonus: hirb

    > table User.all
    > view User.all
    > view User.all, fields: %w[id name email]

### Rails

    > show-models
    > show-routes
    > show-middleware

### Reference

 * [Pry](https://github.com/pry/pry)
 * [Hirb](https://github.com/cldwalker/hirb)