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vagrant [coding_ruby]> irb
2.1.3 :001 > quit
vagrant [coding_ruby]> pry
[1] pry(main)> def say_hi
[1] pry(main)* puts "input your name"
[1] pry(main)* name = gets.chomp
[1] pry(main)* puts "hi #{name}"
[1] pry(main)* end
=> :say_hi
[2] pry(main)> say_hi
input your name
anderson
hi anderson
=> nil
[3] pry(main)> def say_hi(name)
[3] pry(main)* puts "input:"
[3] pry(main)* end
=> :say_hi
[4] pry(main)> def say_hi(name)
[4] pry(main)* puts "Hi #{name}"
[4] pry(main)* end
=> :say_hi
[5] pry(main)> say_hi(anderson)
NameError: undefined local variable or method `anderson' for main:Object
from (pry):13:in `__pry__'
[6] pry(main)> say_hi('anderson')
Hi anderson
=> nil
[7] pry(main)> clean
NameError: undefined local variable or method `clean' for main:Object
from (pry):15:in `__pry__'
[8] pry(main)> name
NameError: undefined local variable or method `name' for main:Object
from (pry):16:in `__pry__'
[9] pry(main)> name = 'Anderson'
=> "Anderson"
[10] pry(main)> name
=> "Anderson"
[11] pry(main)> clean
NameError: undefined local variable or method `clean' for main:Object
from (pry):19:in `__pry__'
[12] pry(main)> clear
NameError: undefined local variable or method `clear' for main:Object
from (pry):20:in `__pry__'
[13] pry(main)> name.sort
NoMethodError: undefined method `sort' for "Anderson":String
from (pry):21:in `__pry__'
[14] pry(main)> name = [1,5,4,3,2]
=> [1, 5, 4, 3, 2]
[15] pry(main)> name.sorte
NoMethodError: undefined method `sorte' for [1, 5, 4, 3, 2]:Array
from (pry):23:in `__pry__'
[16] pry(main)> name.sort
=> [1, 2, 3, 4, 5]
[17] pry(main)> name
=> [1, 5, 4, 3, 2]
[18] pry(main)> name.sort!
=> [1, 2, 3, 4, 5]
[19] pry(main)> name
=> [1, 2, 3, 4, 5]
[20] pry(main)> name.ins
name.insert name.instance_eval name.instance_of? name.instance_variable_get name.instance_variables
name.inspect name.instance_exec name.instance_variable_defined? name.instance_variable_set
[20] pry(main)> name.ins
name.insert name.instance_eval name.instance_of? name.instance_variable_get name.instance_variables
name.inspect name.instance_exec name.instance_variable_defined? name.instance_variable_set
[20] pry(main)> name.ins
name.insert name.instance_eval name.instance_of? name.instance_variable_get name.instance_variables
name.inspect name.instance_exec name.instance_variable_defined? name.instance_variable_set
[20] pry(main)> name.inspect
=> "[1, 2, 3, 4, 5]"
[21] pry(main)> name = 'Anderson'
=> "Anderson"
[22] pry(main)> name.inspect
=> "\"Anderson\""
[23] pry(main)> help inspect
Error: No help found for 'inspect'
[24] pry(main)> name = [1,2,3,4,5,'Anderson',true]
=> [1, 2, 3, 4, 5, "Anderson", true]
[25] pry(main)> name.each |i| do
SyntaxError: unexpected keyword_do_block
[25] pry(main)> name.each |i|
[25] pry(main)* i + 'hi'
NameError: undefined local variable or method `i' for main:Object
from (pry):32:in `__pry__'
[26] pry(main)> i + 'hi'
NameError: undefined local variable or method `i' for main:Object
from (pry):34:in `__pry__'
[27] pry(main)> end
SyntaxError: unexpected keyword_end, expecting end-of-input
[27] pry(main)> name.each do |i|
[27] pry(main)* i + 1
[27] pry(main)* end
TypeError: no implicit conversion of Fixnum into String
from (pry):36:in `+'
[28] pry(main)> puts " i + 1"
i + 1
=> nil
[29] pry(main)> name.each do |i|
[29] pry(main)* puts " i + 1"
[29] pry(main)* end
i + 1
i + 1
i + 1
i + 1
i + 1
i + 1
i + 1
=> [1, 2, 3, 4, 5, "Anderson", true]
[30] pry(main)> name.each do |i|
[30] pry(main)* puts " #{i} + 1"
[30] pry(main)* end
1 + 1
2 + 1
3 + 1
4 + 1
5 + 1
Anderson + 1
true + 1
=> [1, 2, 3, 4, 5, "Anderson", true]
[31] pry(main)> Ma
Marshal MatchData Math
[31] pry(main)> Math.sqrt(9)
=> 3.0
[32] pry(main)> Math.sqrt(12378)
=> 111.2564604865713
[33] pry(main)> Math.sqrt(12379)
=> 111.26095451684746
[34] pry(main)> Math.sqrt(12380)
=> 111.26544836560899
[35] pry(main)> Math.sqrt(12381)
=> 111.26994203287786
[36] pry(main)> Math.sqrt(12390)
=> 111.31037687475504
[37] pry(main)> Math.sqrt(12400)
=> 111.35528725660043
[38] pry(main)> 112^2
=> 114
[39] pry(main)> 112^^2
SyntaxError: unexpected '^'
112^^2
^
[39] pry(main)> 112**2
=> 12544
[40] pry(main)> Math.sqrt(12544)
=> 112.0
[41] pry(main)> time.now
NameError: undefined local variable or method `time' for main:Object
from (pry):55:in `__pry__'
[42] pry(main)> Time.now
=> 2015-03-03 19:56:56 +0000
[43] pry(main)> a= Time.now
=> 2015-03-03 19:57:06 +0000
[44] pry(main)> a
=> 2015-03-03 19:57:06 +0000
[45] pry(main)> b=Time.now
=> 2015-03-03 19:57:17 +0000
[46] pry(main)> b-a
=> 11.119101486
[47] pry(main)> b
=> 2015-03-03 19:57:17 +0000
[48] pry(main)> b.inspect
=> "2015-03-03 19:57:17 +0000"
[49] pry(main)> Array.new(10,'new')
=> ["new", "new", "new", "new", "new", "new", "new", "new", "new", "new"]
[50] pry(main)> include Ma
Marshal MatchData Math
[50] pry(main)> include Ma
Marshal MatchData Math
[50] pry(main)> include Ma
Marshal MatchData Math
[50] pry(main)> include Ma
Marshal MatchData Math
[50] pry(main)> include Math
=> Object
[51] pry(main)> sqrt 9
=> 3.0
[52] pry(main)>
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