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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 1638
30 Ruby Style Guide Hojung 2015.02.05 2016
29 Refresh content automatically after some period time on Rails Hojung 2015.01.22 2566
» Install ruby-filemagic on Mac (brew, libmagic) Hojung 2014.12.03 1812
27 Byte manipulation in Ruby Hojung 2014.12.03 1723
26 How to use Github for your project file Hojung 2014.09.24 1394
25 Ruby map, each, collect, inject, reject, select quick reference Hojung 2014.06.10 2071
24 Difference between collect, select, map and each in ruby Hojung 2014.06.10 1560
23 remove nil from array (compact, compact!) Hojung 2014.06.10 1864
22 remove child association model when parent removed (rails-dependent-destroy) Hojung 2014.06.03 1946
21 deploying cron jobs with whenever gem Hojung 2014.06.01 1975
20 Get list of a class' instance methods Hojung 2014.06.01 1651
19 Optional method parameters in Ruby Hojung 2014.05.29 1762
18 Best Ruby On Rails Content Management Systems (CMS) Hojung 2014.04.26 2945
17 The simple way to print exceptions in Ruby Hojung 2014.04.07 1770
16 Ruby Symbols Hojung 2014.04.05 6547
15 What is the difference between a Symbol and String? Hojung 2014.04.05 1737
14 install Rbenv, ruby and rails Hojung 2014.03.22 1955
13 HTTP Posts in Ruby Hojung 2014.03.14 1957
12 optparse: mandatory and optional arguments example Hojung 2014.03.14 2666
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