From owner-freebsd-questions  Thu Jan 31  7:50:24 2002
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Date: Thu, 31 Jan 2002 23:50:13 +0800 (CST)
From: =?iso-8859-1?q?adrian=20kok?= <adriankok2000@yahoo.com.hk>
Subject: compare two files
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I would like to know how to write script or program to
compare two file

two files: file1 and file2

check data of file1 whether exists in file2

if not

write this data in file1 or output to file

#!/bin/sh 
$lista=fopen("a.txt", "r"); 
$listb=fopen("b.txt", "r"); 

while(!feof($lista)) { 
$dmbuffer = fgets ($lista); 
grep $dmbuffer $listb > diff; 
} 

Could you teach me or where can I get this information
from website

TIA


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