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<html>
<head>
<title>
FILE_ROW_REVERSE - Reversed Copy of a File
</title>
</head>
<body bgcolor="#EEEEEE" link="#CC0000" alink="#FF3300" vlink="#000055">
<h1 align = "center">
FILE_ROW_REVERSE <br> Reversed Copy of a File
</h1>
<hr>
<p>
<b>FILE_ROW_REVERSE</b>
is a FORTRAN90 program which
makes a reversed copy of a text file.
</p>
<p>
For instance, the file
<pre>
I got up,
I ate breakfast,
Then I went to work.
</pre>
would become
<pre>
Then I went to work.
I ate breakfast,
I got up.
</pre>
</p>
<h3 align = "center">
Usage:
</h3>
<p>
<b>file_row_reverse</b> <i>input_filename</i> <i>output_filename</i>
</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">
Related Data and Programs:
</h3>
<p>
<a href = "../../f_src/chrpak/chrpak.html">
CHRPAK</a>,
a FORTRAN90 library which
can work with characters and strings.
</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
reads a text file and removes the carriage return character.
</p>
<p>
<a href = "../../cpp_src/deblank/deblank.html">
DEBLANK</a>,
a C++ program which
reads a text file and writes a copy which has no blank lines.
</p>
<p>
<a href = "../../cpp_src/decomment/decomment.html">
DECOMMENT</a>,
a C++ program which
makes a copy of a text file which contains no "comment" lines
(that begin with "#").
</p>
<p>
<a href = "../../f_src/file_merge/file_merge.html">
FILE_MERGE</a>,
a FORTRAN90 program which
merges two sorted files.
</p>
<p>
<a href = "../../f_src/file_transpose/file_transpose.html">
FILE_TRANSPOSE</a>,
a FORTRAN90 program which
makes a "transposed" copy of a file, in which the I-th "word" of the J-th line
becomes the J-th word of the I-th line.
</p>
<p>
<a href = "../../f_src/filum/filum.html">
FILUM</a>,
a FORTRAN90 library which
can work with information in text files.
</p>
<p>
<a href = "../../f_src/reformat/reformat.html">
REFORMAT</a>,
a FORTRAN90 program which
makes a copy of a file with a given number of "words" per 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 = "../../f_src/table_columns/table_columns.html">
TABLE_COLUMNS</a>,
a FORTRAN90 program which
reads a TABLE file of N points
in M dimensions and creates a new file by copying various
columns, with repetition and shuffling;
</p>
<p>
<a href = "../../f_src/table_columns_permute/table_columns_permute.html">
TABLE_COLUMNS_PERMUTE</a>,
a FORTRAN90 program which
reads a TABLE file where each line has COL_NUM values, and permutes the columns
according to the user's prescription;
</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 = "file_row_reverse.f90">file_row_reverse.f90</a>, the source code.
</li>
<li>
<a href = "file_row_reverse.sh">file_row_reverse.sh</a>,
commands to compile the source code.
</li>
</ul>
</p>
<h3 align = "center">
Examples and Tests:
</h3>
<p>
<ul>
<li>
<a href = "story.txt">story_text</a>,
a sample calling program.
</li>
<li>
<a href = "story_reversed.txt">story_reversed.txt</a>,
the result of the command <b>"file_row_reverse story.txt story_reversed.txt"</b>.
</li>
</ul>
</p>
<h3 align = "center">
List of Routines:
</h3>
<p>
<ul>
<li>
<b>MAIN</b> is the main program for FILE_ROW_REVERSE.
</li>
<li>
<b>FILE_REVERSE_ROWS</b> makes a copy of a file with the lines in reverse order.
</li>
<li>
<b>GET_UNIT</b> returns a free FORTRAN unit number.
</li>
</ul>
</p>
<p>
You can go up one level to <a href = "../f_src.html">
the FORTRAN90 source codes</a>.
</p>
<hr>
<i>
Last revised on 17 December 2009.
</i>
<!-- John Burkardt -->
</body>
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</html>