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sp...@localhost  committed 9b75a40 Merge

Merging docs branch.

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+Copyright (c) 2009 John P. Speno
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+Description
+-----------
+
+gb, aka Greenbar, is a command line filter which, by default, inverts every other line of its input.
+In this way, it's reminiscent of greenbar paper.
+
+Usage
+-----
+
+% tail -f /var/log/httpd/access_log | gb
+
+or to highlight lines that contain the word "named":
+
+% tail -f /var/log/syslog/daemon.log | gb named
+
+Author
+------
+John P. Speno speno@macspeno.com
+
+[http://macspeno.com/jps/](http://macspeno.com/jps/)
+
+Thanks
+------
+
+Credit to M. Sirota for the original idea and awk implementation.