You can read the file starting from the last record.
@file = reverse FILE;
[EMAIL PROTECTED];
bour9
-Message d'origine-
De : [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]
Envoye : jeudi 19 juin 2003 22:59
A : [EMAIL PROTECTED]
Objet : Re: how to match the last line in a file
-
Do you only need the last line or are you processing each line of the file?
If you only need the last line you can use:
while (READIN) {
$last = $_;
}
# ... perform your match on $last here
-Dave
- Original Message -
From: Grace Huang [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Title: RE: how to match the last line in a file
could you not also do
open(FILE, file_for_read.txt);
@array = FILE;
$last_line_number = $#array;
$last_line = $array[$last_line_number];
??
you may have to add one or subtract one I can't remember =)
-Original Message-
From: Dave
You could do that but if the file is VERY large it can take up quie a bit of
memory to hold the whole file in the array.
Matthew
--- FARRINGTON, RYAN [EMAIL PROTECTED] wrote:
could you not also do
open(FILE, file_for_read.txt);
@array = FILE;
$last_line_number = $#array;
$last_line =
Title: RE: how to match the last line in a file
Another possibility is to begin by
appending a known unique new last line, testing for it each time, and quitting
when you reach it.
-Original Message-
From:
[EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of FARRINGTON,
- Original Message -
From: Grace Huang [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Thursday, June 19, 2003 3:16 PM
Subject: how to match the last line in a file
Hi
I use while (my $line = READIN) {...} to read a file, how can I determine
if a line is the last line in the file since I
