Date: Thu, 31 Jan 2002 23:50:13 +0800 (CST) From: =?iso-8859-1?q?adrian=20kok?= <adriankok2000@yahoo.com.hk> To: freebsd-questions@FreeBSD.ORG Subject: compare two files Message-ID: <20020131155013.82668.qmail@web21209.mail.yahoo.com>
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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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