StackOverflow2013

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Id
6011170
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AcceptedAnswerId
0
AnswerCount
0
ClosedDate
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0
CommunityOwnedDate
CreationDate
2011-05-15T20:53:13.350
FavoriteCount
0
LastActivityDate
2014-04-26T04:15:30.180
LastEditDate
2014-04-26T04:15:30.180
LastEditorUserId
479863
OwnerUserId
128421
ParentId
6005498
PostTypeId
2
Score
7
ViewCount
0
LastEditorDisplayName
text
Body
<p>Why copy the contents of one file to another? Why not use either the OS to copy the file, or use Ruby's built-in <a href="http://ruby-doc.org/stdlib-2.1.1/libdoc/fileutils/rdoc/FileUtils.html#method-c-copy_file" rel="nofollow"><code>FileUtils.copy_file</code></a>?</p> <pre><code>ri FileUtils.copy_file FileUtils.copy_file (from ruby core) ------------------------------------------------------------------------------ copy_file(src, dest, preserve = false, dereference = true) ------------------------------------------------------------------------------ Copies file contents of src to dest. Both of src and dest must be a path name. </code></pre> <p>A more flexible/powerful alternate is to use Ruby's built-in <a href="http://ruby-doc.org/stdlib-2.1.1/libdoc/fileutils/rdoc/FileUtils.html#method-c-cp" rel="nofollow"><code>FileUtils.cp</code></a>:</p> <pre><code>ri FileUtils.cp FileUtils.cp (from ruby core) ------------------------------------------------------------------------------ cp(src, dest, options = {}) ------------------------------------------------------------------------------ Options: preserve noop verbose Copies a file content src to dest. If dest is a directory, copies src to dest/src. If src is a list of files, then dest must be a directory. FileUtils.cp 'eval.c', 'eval.c.org' FileUtils.cp %w(cgi.rb complex.rb date.rb), '/usr/lib/ruby/1.6' FileUtils.cp %w(cgi.rb complex.rb date.rb), '/usr/lib/ruby/1.6', :verbose => true FileUtils.cp 'symlink', 'dest' # copy content, "dest" is not a symlink </code></pre>
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1. POHow do I copy file contents to another file?
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1. USmu is too short
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1. USthe Tin Man
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