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<html>
<head>
<title>
DECOMMENT - Remove "#" comment lines
</title>
</head>
<body bgcolor="#EEEEEE" link="#CC0000" alink="#FF3300" vlink="#000055">
<h1 align = "center">
DECOMMENT <br> Remove "#" comment lines
</h1>
<hr>
<p>
<b>DECOMMENT</b>
is a C++ program which
makes a copy of a file
in which all lines beginning with the "#" character have been removed.
</p>
<p>
It is a common convention to indicate comments in a file
by an initial "#" character. I often use this convention in
my data files, and it is part of the TABLE format However, certain
hard-hearted or soft-headed
programs will not accept comment lines. The <b>DECOMMENT</b>
program allows me to comment my data files, but then to easily
make an uncommented version, when necessary, to feed to
illiterate programs.
</p>
<h3 align = "center">
Usage:
</h3>
<p>
<blockquote>
<b>decomment</b> <i>old</i> <i>new</i>
</blockquote>
where
<ul>
<li>
<i>old</i> is the file to be modified;
</li>
<li>
<i>new</i> is the modified copy of the old file.
</li>
</ul>
</p>
<h3 align = "center">
Licensing:
</h3>
<p>
The computer code and data files described and made available on this web page
are distributed under
<a href = "../../txt/gnu_lgpl.txt">the GNU LGPL license.</a>
</p>
<h3 align = "center">
Languages:
</h3>
<p>
<b>DECOMMENT</b> is available in
<a href = "../../cpp_src/decomment/decomment.html">a C++ version</a>.
</p>
<h3 align = "center">
Related Data and Programs:
</h3>
<p>
<a href = "../../c_src/c_comment/c_comment.html">
C_COMMENT</a>,
a FORTRAN90 program which
makes a copy of a file in which C++ style comments have been
replaced by C-style comments.
</p>
<p>
<a href = "../../cpp_src/cr2crlf/cr2crlf.html">
CR2CRLF</a>,
a C++ program which
reads a text file and replaces carriage returns by carriage returns + line feeds.
</p>
<p>
<a href = "../../cpp_src/cr2lf/cr2lf.html">
CR2LF</a>,
a C++ program which
reads a text file and replaces carriage returns by line feeds.
</p>
<p>
<a href = "../../cpp_src/crrm/crrm.html">
CRRM</a>,
a C++ program which
makes a copy of a text file which contains no carriage returns.
</p>
<p>
<a href = "../../cpp_src/deblank/deblank.html">
DEBLANK</a>,
a C++ program which
makes a copy of a text file which contains no blank lines.
</p>
<p>
<a href = "../../cpp_src/detroff/detroff.html">
DETROFF</a>,
a C++ program which
removes from a file every occurrence of the TROFF overprint
pair character+backspace, which can make a MAN page printable;
</p>
<p>
<a href = "../../cpp_src/filum/filum.html">
FILUM</a>,
a C++ library which
performs various operations
on files.
</p>
<p>
<a href = "../../cpp_src/recomment/recomment.html">
RECOMMENT</a>,
a C++ program which
converts C style comments to C++ style.
</p>
<p>
<a href = "../../f_src/reformat/reformat.html">
REFORMAT</a>,
a FORTRAN90 program which
reads a text file that contains only real values, and writes a copy
which has a fixed number of real values on each line.
</p>
<p>
<a href = "../../cpp_src/reword/reword.html">
REWORD</a>,
a C++ program which
reads a text file and writes a copy which has a fixed number
of "words" per line.
</p>
<p>
<a href = "../../cpp_src/uncontrol/uncontrol.html">
UNCONTROL</a>,
a C++ program which
makes a copy of a text file which contains no control characters.
</p>
<p>
<a href = "../../cpp_src/wrap/wrap.html">
WRAP</a>
a C++ program which
makes a copy of a text file in which no line is longer
than a user-specified wrap length.
</p>
<p>
<a href = "../../cpp_src/wrap2/wrap2.html">
WRAP2</a>
a C++ program which
wraps long lines in a text file, but which
wraps some lines "early", so as to avoid breaking words.
</p>
<h3 align = "center">
Source Code:
</h3>
<p>
<ul>
<li>
<a href = "decomment.cpp">decomment.cpp</a>, the source code;
</li>
<li>
<a href = "decomment.sh">decomment.sh</a>, commands to compile
and link the code;
</li>
</ul>
</p>
<h3 align = "center">
Examples and Tests:
</h3>
<p>
<ul>
<li>
<a href = "old.txt">old.txt</a>, a file with "#" comments;
</li>
<li>
<a href = "new.txt">new.txt</a>, a copy of the file, with
no "#" comments;
</li>
</ul>
</p>
<h3 align = "center">
List of Routines:
</h3>
<p>
<ul>
<li>
<b>MAIN</b> is the main program for DECOMMENT.
</li>
<li>
<b>HANDLE</b> handles a single file.
</li>
<li>
<b>TIMESTAMP</b> prints the current YMDHMS date as a time stamp.
</li>
</ul>
</p>
<p>
You can go up one level to <a href = "../cpp_src.html">
the C++ source codes</a>.
</p>
<hr>
<i>
Last revised on 02 December 2006.
</i>
<!-- John Burkardt -->
</body>
</html>