159 lines
3.6 KiB
HTML
159 lines
3.6 KiB
HTML
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<HTML><HEAD><TITLE>Man page of INPLACE</TITLE>
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</HEAD><BODY>
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<H1>INPLACE</H1>
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Section: GNU Awk Extension Modules (3am)<BR>Updated: Feb 02 2018<BR><A HREF="#index">Index</A>
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<A HREF="/cgi-bin/man/man2html">Return to Main Contents</A><HR>
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<A NAME="lbAB"> </A>
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<H2>NAME</H2>
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inplace - emulate sed/perl/ruby in-place editing
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<A NAME="lbAC"> </A>
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<H2>SYNOPSIS</H2>
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<PRE>
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gawk -i inplace ...
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</PRE>
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<A NAME="lbAD"> </A>
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<H2>DESCRIPTION</H2>
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The
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<I>inplace</I>
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extension adds two functions named
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<B>inplace_begin()</B>
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and
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<B>inplace_end()</B>.
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These functions are meant to be invoked from the
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<I>inplace.awk</I>
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wrapper which is installed when
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<I>gawk</I>
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is.
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<P>
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By default, each named file on the command line is
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replaced with a new file of the same name whose contents
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are the results of running the AWK program.
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If the user supplies an AWK variable named
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<B>INPLACE_SUFFIX</B>
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in a
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<B>BEGIN</B>
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rule or on the command line, then the
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<I>inplace</I>
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extension concatenates that suffix onto the original
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filename and uses the result as a filename for renaming
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the original.
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<P>
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One can disable inplace editing selectively by placing
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<B>inplace=0</B>
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on the command line prior to files that should be processed normally.
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One can reenable inplace editing by placing
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<B>inplace=1</B>
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prior to files that should be subject to inplace editing.
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<A NAME="lbAE"> </A>
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<H2>BUGS</H2>
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While the extension does attempt to preserve ownership and permissions, it makes no attempt to copy the ACLs from the original file.
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<P>
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If the program dies prematurely, as might happen if an unhandled signal is received, a temporary file may be left behind.
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<A NAME="lbAF"> </A>
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<H2>EXAMPLE</H2>
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<PRE>
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gawk -i inplace 'script' files ...
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<BR>
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gawk -i inplace -f scriptfile files ...
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</PRE>
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<A NAME="lbAG"> </A>
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<H2>SEE ALSO</H2>
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<I>GAWK: Effective AWK Programming</I>,
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<I>filefuncs</I>(3am),
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<I>fnmatch</I>(3am),
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<I>fork</I>(3am),
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<I>ordchr</I>(3am),
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<I>readdir</I>(3am),
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<I>readfile</I>(3am),
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<I>revoutput</I>(3am),
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<I>rwarray</I>(3am).
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<A NAME="lbAH"> </A>
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<H2>AUTHOR</H2>
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Andrew Schorr,
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<B><A HREF="mailto:schorr@telemetry-investments.com">schorr@telemetry-investments.com</A></B>.
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<A NAME="lbAI"> </A>
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<H2>COPYING PERMISSIONS</H2>
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Copyright © 2012, 2013, 2015, 2018,
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Free Software Foundation, Inc.
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<P>
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Permission is granted to make and distribute verbatim copies of
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this manual page provided the copyright notice and this permission
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notice are preserved on all copies.
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<P>
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Permission is granted to copy and distribute modified versions of this
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manual page under the conditions for verbatim copying, provided that
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the entire resulting derived work is distributed under the terms of a
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permission notice identical to this one.
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<P>
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Permission is granted to copy and distribute translations of this
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manual page into another language, under the above conditions for
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modified versions, except that this permission notice may be stated in
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a translation approved by the Foundation.
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<P>
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<HR>
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<A NAME="index"> </A><H2>Index</H2>
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<DL>
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<DT id="1"><A HREF="#lbAB">NAME</A><DD>
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<DT id="2"><A HREF="#lbAC">SYNOPSIS</A><DD>
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<DT id="3"><A HREF="#lbAD">DESCRIPTION</A><DD>
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<DT id="4"><A HREF="#lbAE">BUGS</A><DD>
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<DT id="5"><A HREF="#lbAF">EXAMPLE</A><DD>
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<DT id="6"><A HREF="#lbAG">SEE ALSO</A><DD>
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<DT id="7"><A HREF="#lbAH">AUTHOR</A><DD>
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<DT id="8"><A HREF="#lbAI">COPYING PERMISSIONS</A><DD>
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</DL>
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<HR>
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This document was created by
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<A HREF="/cgi-bin/man/man2html">man2html</A>,
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using the manual pages.<BR>
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Time: 00:05:46 GMT, March 31, 2021
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</BODY>
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</HTML>
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