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<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>7.3. Popen</title><link rel="stylesheet" type="text/css" href="/docbook.css" /><meta name="generator" content="DocBook XSL Stylesheets V1.78.1" /><meta name="keywords" content="php, pear, pecl, phar" /><link rel="home" href="index.html" title="Netkiller Python 手札" /><link rel="up" href="python.pipe.html" title="第 7 章 Pipe" /><link rel="prev" href="ch07s02.html" title="7.2. forkpty" /><link rel="next" href="socketpair.html" title="7.4. socketpair" /></head><body><table xmlns="" width="100%" border="0"><tr><td align="left"><a href="http://netkiller.github.io/">Home</a> |
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<pre class="screen">
#!/usr/bin/python
from subprocess import *
p = Popen(["cat", "-n"], bufsize=1024,stdin=PIPE,
stdout=PIPE, close_fds=True)
(fin, fout) = (p.stdin, p.stdout)
for i in range(10):
fin.write("line" + str(i))
fin.write('\n')
fin.flush()
print fout.readline(),
</pre>
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