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brew install libmagic

gem install ruby-filemagic


$ irb 
irb(main):001:0> require 'filemagic' 
=> true
irb(main):002:0> fm = FileMagic.new
=> #<FileMagic:0x7fd4afb0>
irb(main):003:0> fm.file('foo.zip') 
=> "Zip archive data, at least v2.0 to extract"
irb(main):004:0>





Title
List of Articles
번호 제목 글쓴이 날짜 조회 수
31 Different Ways to Set Attributes in ActiveRecord (attribute, create, update, validation) Hojung 2015.05.24 1801
30 Ruby Style Guide Hojung 2015.02.05 2201
29 Refresh content automatically after some period time on Rails Hojung 2015.01.22 2737
» Install ruby-filemagic on Mac (brew, libmagic) Hojung 2014.12.03 1976
27 Byte manipulation in Ruby Hojung 2014.12.03 1865
26 How to use Github for your project file Hojung 2014.09.24 1544
25 Ruby map, each, collect, inject, reject, select quick reference Hojung 2014.06.10 2211
24 Difference between collect, select, map and each in ruby Hojung 2014.06.10 1680
23 remove nil from array (compact, compact!) Hojung 2014.06.10 2030
22 remove child association model when parent removed (rails-dependent-destroy) Hojung 2014.06.03 2079
21 deploying cron jobs with whenever gem Hojung 2014.06.01 2113
20 Get list of a class' instance methods Hojung 2014.06.01 1774
19 Optional method parameters in Ruby Hojung 2014.05.29 1888
18 Best Ruby On Rails Content Management Systems (CMS) Hojung 2014.04.26 3063
17 The simple way to print exceptions in Ruby Hojung 2014.04.07 1893
16 Ruby Symbols Hojung 2014.04.05 6674
15 What is the difference between a Symbol and String? Hojung 2014.04.05 1861
14 install Rbenv, ruby and rails Hojung 2014.03.22 2082
13 HTTP Posts in Ruby Hojung 2014.03.14 2075
12 optparse: mandatory and optional arguments example Hojung 2014.03.14 2798
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