---------- Forwarded message ----------
From: RENATO AUGUSTO CORREA DOS SANTOS <rcs.un...@ig.com.br>
Date: Wed, Sep 25, 2013 at 5:09 PM
Subject: Re: checking for file existence
To: Peter Ezetta <peter.eze...@zonarsystems.com>
Dear,
Thank you so much for your quick help.
This list seems to be useful for us begginers.
The problem was that I was typing the file name without taking the case
sentivity into account.
That is actually working fine.
Thanks a lot.
Renato.
On Wed, Sep 25, 2013 at 5:07 PM, Peter Ezetta <peter.eze...@zonarsystems.com
> wrote:
> Hi Renato,
>
> Welcome to Perl and to the list!
>
> I took a quick run through your code, and it's working fine for me.
>
> Are you calling it with "perl script.pl <filename>"? The behavior you
> describe almost sounds like you are not providing the argument when you
> call the script.
>
> Hope this was helpful!
>
> Peter
>
> On Sep 25, 2013, at 12:38 PM, RENATO AUGUSTO CORREA DOS SANTOS <
> rcs.un...@ig.com.br> wrote:
>
> Hi, all.
>
> I am a very begginer in PERL starting today in this mailing list! :-) I
> will try to work especially with Bioinformatics.
>
> I am trying to verify the existence of a file in PERL; however, is seems
> not to work. It always returns "The file $file_seqs does not exist!!!".
>
> Do you know where I am making a mistake?
>
> <code>
> #!/usr/bin/perl
>
> use strict;
>
> my $file_seqs;
>
> $file_seqs = $ARGV[0];
>
> if (!-e $file_seqs) {
> print "The file $file_seqs does not exist!!! \n";
> exit(0);
> }
> else {
> print "The file $file_seqs exist!!! \n";
> }
> </code>
>
> --
> *Renato Augusto Corrêa dos Santos (Undergraduate Researcher)*
> Bioethanol Science and Technology Laboratory (ABTLuS-CNPEM)
> +55 19 9722 5665
>
>
>
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--
*Renato Augusto Corrêa dos Santos (Undergraduate Researcher)*
Bioethanol Science and Technology Laboratory (ABTLuS-CNPEM)
+55 19 9722 5665
--
*Renato Augusto Corrêa dos Santos (Undergraduate Researcher)*
Bioethanol Science and Technology Laboratory (ABTLuS-CNPEM)
+55 19 9722 5665
