new kernelver script

[Michael Burian <dynmail1@gassner-waagen.at>]

Hi all,


It's about this script here:

http://www.kernelnewbies.org/scripts/kernelver


I know this might be trivial but as finger is often overloaded and/or 
firewalled I'd suggest using http instead.

Feel free to substitute wget with whatever tool you believe to be most 
commonly used / portable / whatever.

Additional dependencies:  wget


thanks in advance!




#!/bin/bash

##finger @www.kernel.org > .kv.new
#
# www.kernel.org said:
#
# August 21, 2003: Please don't use finger.kernel.org for any sort of 
automatic
# monitoring. The number of automatic bots hitting this port is causing the
# finger daemon to shut down more often than not.  The same information is
# available from  http://www.kernel.org/kdist/finger_banner.

wget -q -O .kv.new http://www.kernel.org/kdist/finger_banner

# Remove 0 byte new files (something went wrong)
find . -maxdepth 1 -size 0 -name .kv.new -exec rm {} \;

if [ ! -f .kv.new ] ; then
       exit
fi

# First time we run, save to old, and exit
if [ ! -f .kv.old ] ; then
       mv -f .kv.new .kv.old
       exit
fi

# Subsequent run, find differences.
if [ -f .kv.new ] ; then
       diff -u .kv.old .kv.new >.kv.diff
       find . -maxdepth 1 -size 0 -name .kv.diff -exec rm {} \;

       if [ -f .kv.diff ] ; then
               cat .kv.new
               rm -f .kv.diff
       fi
       mv -f .kv.new .kv.old
fi

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