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<title>LuaZip: Reading files inside zip files</title>
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<a href="http://www.keplerproject.org"><img alt="LuaZip logo" src="luazip-128.png"/></a>
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<div id="product_name"><big><strong>LuaZip</strong></big></div>
<div id="product_description">Reading files inside zip files</div>
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<h1>LuaZip</h1>
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<h2><a name="examples"></a>Example</h2>
<p>
Suppose we have the following file hierarchy:
</p>
<pre class="example">
/a
/b
c.zip
/a2
b2.ext2
/a3.ext3
/luazip.zip
</pre>
<ul>
<li>c.zip contains the file 'd.txt'</li>
<li>b2.ext2 is a zip file containing the file 'c2/d2.txt'</li>
<li>a3.ext3 is a zip file containing the file 'b3/c3/d3.txt'</li>
<li>luazip.zip contains the files 'luazip.h', 'luazip.c', 'Makefile', 'README'</li>
</ul>
Below is a small sample code displaying the basic use of the library.
<pre class="example">
require "zip"
local zfile, err = zip.open('luazip.zip')
-- print the filenames of the files inside the zip
for file in zfile:files() do
print(file.filename)
end
-- open README and print it
local f1, err = zfile:open('README')
local s1 = f1:read("*a")
print(s1)
f1:close()
zfile:close()
-- open d.txt inside c.zip
local d, err = zip.openfile('a/b/c/d.txt')
assert(d, err)
d:close()
-- open d2.txt inside b2.ext2
local d2, err = zip.openfile('a2/b2/c2/d2.txt', "ext2")
assert(d2, err)
d2:close()
-- open d3.txt inside a3.ext3
local d3, err = zip.openfile('a3/b3/c3/d3.txt', {"ext2", "ext3"})
assert(d3, err)
d3:close()
</pre>
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