| 1 | <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> |
| 2 | <html> |
| 3 | <head> |
| 4 | <link rel="STYLESHEET" href="lib.css" type='text/css' /> |
| 5 | <link rel="SHORTCUT ICON" href="../icons/pyfav.png" type="image/png" /> |
| 6 | <link rel='start' href='../index.html' title='Python Documentation Index' /> |
| 7 | <link rel="first" href="lib.html" title='Python Library Reference' /> |
| 8 | <link rel='contents' href='contents.html' title="Contents" /> |
| 9 | <link rel='index' href='genindex.html' title='Index' /> |
| 10 | <link rel='last' href='about.html' title='About this document...' /> |
| 11 | <link rel='help' href='about.html' title='About this document...' /> |
| 12 | <link rel="next" href="node246.html" /> |
| 13 | <link rel="prev" href="node244.html" /> |
| 14 | <link rel="parent" href="node240.html" /> |
| 15 | <link rel="next" href="node246.html" /> |
| 16 | <meta name='aesop' content='information' /> |
| 17 | <title>6.8.3.5 Replacing os.popen*</title> |
| 18 | </head> |
| 19 | <body> |
| 20 | <DIV CLASS="navigation"> |
| 21 | <div id='top-navigation-panel' xml:id='top-navigation-panel'> |
| 22 | <table align="center" width="100%" cellpadding="0" cellspacing="2"> |
| 23 | <tr> |
| 24 | <td class='online-navigation'><a rel="prev" title="6.8.3.4 Replacing os.spawn*" |
| 25 | href="node244.html"><img src='../icons/previous.png' |
| 26 | border='0' height='32' alt='Previous Page' width='32' /></A></td> |
| 27 | <td class='online-navigation'><a rel="parent" title="6.8.3 Replacing Older Functions" |
| 28 | href="node240.html"><img src='../icons/up.png' |
| 29 | border='0' height='32' alt='Up One Level' width='32' /></A></td> |
| 30 | <td class='online-navigation'><a rel="next" title="6.8.3.6 Replacing popen2.*" |
| 31 | href="node246.html"><img src='../icons/next.png' |
| 32 | border='0' height='32' alt='Next Page' width='32' /></A></td> |
| 33 | <td align="center" width="100%">Python Library Reference</td> |
| 34 | <td class='online-navigation'><a rel="contents" title="Table of Contents" |
| 35 | href="contents.html"><img src='../icons/contents.png' |
| 36 | border='0' height='32' alt='Contents' width='32' /></A></td> |
| 37 | <td class='online-navigation'><a href="modindex.html" title="Module Index"><img src='../icons/modules.png' |
| 38 | border='0' height='32' alt='Module Index' width='32' /></a></td> |
| 39 | <td class='online-navigation'><a rel="index" title="Index" |
| 40 | href="genindex.html"><img src='../icons/index.png' |
| 41 | border='0' height='32' alt='Index' width='32' /></A></td> |
| 42 | </tr></table> |
| 43 | <div class='online-navigation'> |
| 44 | <b class="navlabel">Previous:</b> |
| 45 | <a class="sectref" rel="prev" href="node244.html">6.8.3.4 Replacing os.spawn*</A> |
| 46 | <b class="navlabel">Up:</b> |
| 47 | <a class="sectref" rel="parent" href="node240.html">6.8.3 Replacing Older Functions</A> |
| 48 | <b class="navlabel">Next:</b> |
| 49 | <a class="sectref" rel="next" href="node246.html">6.8.3.6 Replacing popen2.*</A> |
| 50 | </div> |
| 51 | <hr /></div> |
| 52 | </DIV> |
| 53 | <!--End of Navigation Panel--> |
| 54 | |
| 55 | <H3><A NAME="SECTION008835000000000000000"> |
| 56 | 6.8.3.5 Replacing os.popen*</A> |
| 57 | </H3> |
| 58 | |
| 59 | <P> |
| 60 | <div class="verbatim"><pre> |
| 61 | pipe = os.popen(cmd, mode='r', bufsize) |
| 62 | ==> |
| 63 | pipe = Popen(cmd, shell=True, bufsize=bufsize, stdout=PIPE).stdout |
| 64 | </pre></div> |
| 65 | |
| 66 | <P> |
| 67 | <div class="verbatim"><pre> |
| 68 | pipe = os.popen(cmd, mode='w', bufsize) |
| 69 | ==> |
| 70 | pipe = Popen(cmd, shell=True, bufsize=bufsize, stdin=PIPE).stdin |
| 71 | </pre></div> |
| 72 | |
| 73 | <P> |
| 74 | <div class="verbatim"><pre> |
| 75 | (child_stdin, child_stdout) = os.popen2(cmd, mode, bufsize) |
| 76 | ==> |
| 77 | p = Popen(cmd, shell=True, bufsize=bufsize, |
| 78 | stdin=PIPE, stdout=PIPE, close_fds=True) |
| 79 | (child_stdin, child_stdout) = (p.stdin, p.stdout) |
| 80 | </pre></div> |
| 81 | |
| 82 | <P> |
| 83 | <div class="verbatim"><pre> |
| 84 | (child_stdin, |
| 85 | child_stdout, |
| 86 | child_stderr) = os.popen3(cmd, mode, bufsize) |
| 87 | ==> |
| 88 | p = Popen(cmd, shell=True, bufsize=bufsize, |
| 89 | stdin=PIPE, stdout=PIPE, stderr=PIPE, close_fds=True) |
| 90 | (child_stdin, |
| 91 | child_stdout, |
| 92 | child_stderr) = (p.stdin, p.stdout, p.stderr) |
| 93 | </pre></div> |
| 94 | |
| 95 | <P> |
| 96 | <div class="verbatim"><pre> |
| 97 | (child_stdin, child_stdout_and_stderr) = os.popen4(cmd, mode, bufsize) |
| 98 | ==> |
| 99 | p = Popen(cmd, shell=True, bufsize=bufsize, |
| 100 | stdin=PIPE, stdout=PIPE, stderr=STDOUT, close_fds=True) |
| 101 | (child_stdin, child_stdout_and_stderr) = (p.stdin, p.stdout) |
| 102 | </pre></div> |
| 103 | |
| 104 | <P> |
| 105 | |
| 106 | <DIV CLASS="navigation"> |
| 107 | <div class='online-navigation'> |
| 108 | <p></p><hr /> |
| 109 | <table align="center" width="100%" cellpadding="0" cellspacing="2"> |
| 110 | <tr> |
| 111 | <td class='online-navigation'><a rel="prev" title="6.8.3.4 Replacing os.spawn*" |
| 112 | href="node244.html"><img src='../icons/previous.png' |
| 113 | border='0' height='32' alt='Previous Page' width='32' /></A></td> |
| 114 | <td class='online-navigation'><a rel="parent" title="6.8.3 Replacing Older Functions" |
| 115 | href="node240.html"><img src='../icons/up.png' |
| 116 | border='0' height='32' alt='Up One Level' width='32' /></A></td> |
| 117 | <td class='online-navigation'><a rel="next" title="6.8.3.6 Replacing popen2.*" |
| 118 | href="node246.html"><img src='../icons/next.png' |
| 119 | border='0' height='32' alt='Next Page' width='32' /></A></td> |
| 120 | <td align="center" width="100%">Python Library Reference</td> |
| 121 | <td class='online-navigation'><a rel="contents" title="Table of Contents" |
| 122 | href="contents.html"><img src='../icons/contents.png' |
| 123 | border='0' height='32' alt='Contents' width='32' /></A></td> |
| 124 | <td class='online-navigation'><a href="modindex.html" title="Module Index"><img src='../icons/modules.png' |
| 125 | border='0' height='32' alt='Module Index' width='32' /></a></td> |
| 126 | <td class='online-navigation'><a rel="index" title="Index" |
| 127 | href="genindex.html"><img src='../icons/index.png' |
| 128 | border='0' height='32' alt='Index' width='32' /></A></td> |
| 129 | </tr></table> |
| 130 | <div class='online-navigation'> |
| 131 | <b class="navlabel">Previous:</b> |
| 132 | <a class="sectref" rel="prev" href="node244.html">6.8.3.4 Replacing os.spawn*</A> |
| 133 | <b class="navlabel">Up:</b> |
| 134 | <a class="sectref" rel="parent" href="node240.html">6.8.3 Replacing Older Functions</A> |
| 135 | <b class="navlabel">Next:</b> |
| 136 | <a class="sectref" rel="next" href="node246.html">6.8.3.6 Replacing popen2.*</A> |
| 137 | </div> |
| 138 | </div> |
| 139 | <hr /> |
| 140 | <span class="release-info">Release 2.4.2, documentation updated on 28 September 2005.</span> |
| 141 | </DIV> |
| 142 | <!--End of Navigation Panel--> |
| 143 | <ADDRESS> |
| 144 | See <i><a href="about.html">About this document...</a></i> for information on suggesting changes. |
| 145 | </ADDRESS> |
| 146 | </BODY> |
| 147 | </HTML> |