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#!/bin/sh
# Copyright (c) 2007, Shandong University
# All rights reserved.
#
# filename: handle_logfile
# description: to give an example that demonstrates how to
# handle the logfile.
# Author: lqm
# One and only one parameter
if [ $# != 1 ]; then
echo "Usage: `basename $0` [filename]"
exit 1
fi
# Source file must exist
if [ -f $1 ]; then
echo "$1 exists"
else
echo "$1 does not exist"
exit 1
fi
# Get the number of lines
LINE=`wc $1 | awk '{ print $1 }'`
SIZE=`wc $1 | awk '{ print $3 }'`
echo "line:$LINE, size:$SIZE"
# Create the test file
cp $1 test
cat $1 >> test
# Handle
find test -size +${SIZE}c -exec echo "Find the desired logfile" {} \; \
&& tail -n $LINE test >tmp \
&& rm -f test \
&& mv tmp test \
&& diff $1 test \
&& echo "Succeed!"
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