Re: if else question



----- Original Message -----
From: Brian Volk <BVolk@xxxxxxxxxxxxxx>
Date: Thursday, April 28, 2005 11:27 am
Subject: if else question

> Hi All,
Hello,

>
> The first time I wrote this if else statement I wrote it
> correctly... now
> I've confused myself... :~)
That will happen often !
>
> If the "if" statement returns false the program writes that line
> in the file
> to $error_log for every $file in the directory.... I just what
> the line in
> the file to be written one time... not one time for every file in the
> directory... Perl is doing exactly what I have written... It's
> just not
> what I want.. :~)
>
> foreach line in the txtfile, match a file in the
> directory....print file.
> ...else print the line item in txtfile to the error_log....
>
> How do I write the code so the line item only prints to the
> error_log one
> time?
>
>
> my $file_dir = "F:";
> opendir(DIR, $file_dir) or die "Can't open the $file_dir: $!\n";
>
> my @files = readdir(DIR) or die "Unable to read current dir:$!\n";
> closedir(DIR);
>
> my $orders_dir = "c:/orders";
> opendir (ORDERS, $orders_dir) or die "Can't open $orders_dir: $!";
>
> @ARGV = map { "$orders_dir/$_" } grep { !/^\./ } readdir ORDERS;
>
> while (<>) {
> chomp;
>
> foreach my $file (@files) {
> my $error_log = "c:/brian/test/no_file.txt";
> open (NOFILE, ">> $error_log") or die "can't open $error_log:$!\n";
>
> if ($_ eq $file) {
> print $file;
>
>
> #### This is printing $_ to the error_log one time for every file
> in the
> directory
> #### I just want it to print to the error_log one time if there is
> not a
> match in the directory.
I am not exactly sure what you want, but it sounds like you want exact oposite of what you already have ?? in which case, the following should do:

if ($_ ne $file) { print $file;}

HTH,
Mark G.

>
> } else {
> print NOFILE "\n";
> }
> }
>
> closedir (ORDERS);
>
>
> Thanks for your help!
>
> Brian Volk
> HP Products
> 317.298.9950 x1245
> <bvolk@xxxxxxxxxxxxxx> bvolk@xxxxxxxxxxxxxx
>
>
>

.