Re: How to check two text files have the same content or not?

From:
"John B. Matthews" <nospam@nospam.invalid>
Newsgroups:
comp.lang.java.programmer
Date:
Wed, 03 Sep 2008 14:22:41 -0400
Message-ID:
<nospam-0B6CC5.14224103092008@news.motzarella.org>
In article <g9mitg$e2i$1@news.nems.noaa.gov>, www <www@nospam.com>
wrote:

Tom Anderson wrote:

You can just do something like this:

InputStream a = new BufferedInputStream(newFileInputStream(fileA)) ;
InputStream b = new BufferedInputStream(newFileInputStream(fileB)) ;
int byteA = 0 ;
int byteB = 0 ;
while ((byteA | byteB) >= 0) {
    int byteA = a.read() ;
    int byteB = b.read() ;
    if (byteA != byteB) return false ;
}
return byteA == byteB ;

tom


Thank you. That is interesting. I don't understand the line:

while ((byteA | byteB) >= 0)

Can you explain a little more?


Look at what BufferedInputStream.html#read() returns:

<http://java.sun.com/javase/6/docs/api/java/io/BufferedInputStream.html>

Consider, the possible values returned by indicated operator:

<http://java.sun.com/docs/books/tutorial/java/nutsandbolts/op3.html>

--
John B. Matthews
trashgod at gmail dot com
home dot woh dot rr dot com slash jbmatthews

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