PERL Script

Hi

I am new to this site and i am new to PERL programming also.

I am looking for a help from you.

I am having a requirement which goes like this

I have to write a perl script to read a text file(This text file is having a single column)  -- But before that

1: First I have to check whether that file exist in the path given.If it exist then return 0 otherwise send an email to xyz@xyz.com stating that file not found in the given directory but return 0 right now also.
2: If that file is read permission then return 0 if not then send an email to xyz@xyz.com stating that file is not having read permission but return 0
3: Read the file and if it is having wild characters(*,(,),%,$,@,!,.,{,},[,],",:,;) then send an email to xyz@xyz.com regarding the wild card presence (Along with the line numbers) in the file and return 0.

Means - after running this script - We have to always return a zero but if we find any errors which are mentioned above then we have to send an email.

Can somebody help ???

nbo
nbotensionAsked:
Who is Participating?
I wear a lot of hats...

"The solutions and answers provided on Experts Exchange have been extremely helpful to me over the last few years. I wear a lot of hats - Developer, Database Administrator, Help Desk, etc., so I know a lot of things but not a lot about one thing. Experts Exchange gives me answers from people who do know a lot about one thing, in a easy to use platform." -Todd S.

jmcgOwnerCommented:
You're saying "return 0" when I think you mean "continue on to the next step" at several stages in your description.

There is no point to separately checking for the existence and readability of the file. That leaves us with just two things to check: 1) can we open the file for reading? and 2) does the file contain any forbidden characters?

Let's assume you have already figured out how to send an email and that knowledge is embedded in a subroutine named "send_error_email" which takes as its single argument a string containing the error message that is to be sent.

Let's assume the "given path" is in the variable $path.

Let's assume the file name is in the variable $file.

That means the basic script will look something like this one:

use strict;

my $badchars = q/*()%$@!.{}[]":;/;

open FILE, "$path/$file" or do {
               send_error_email( "could not open $path/$file for reading because $!";
               exit 0;
               };

while( <FILE> ) {
              if ( tr/$badchars// ) {
                  send_error_email( "Bad characters found in $path/$file at line $.");
                  last;
                }
              }
exit 0;
0

Experts Exchange Solution brought to you by

Your issues matter to us.

Facing a tech roadblock? Get the help and guidance you need from experienced professionals who care. Ask your question anytime, anywhere, with no hassle.

Start your 7-day free trial
TintinCommented:
Sounds very much like homework, which is not permitted under EE guidelines.

Please clarify what the "requirement" is.
0
jmcgOwnerCommented:
Nothing has happened on this question in over 2 months. It's time for cleanup!

My recommendation, which I will post in the Cleanup topic area, is to
accept answer by jmcg (or delete, forfeit points because it's homework).

PLEASE DO NOT ACCEPT THIS COMMENT AS AN ANSWER!

jmcg
EE Cleanup Volunteer
0
It's more than this solution.Get answers and train to solve all your tech problems - anytime, anywhere.Try it for free Edge Out The Competitionfor your dream job with proven skills and certifications.Get started today Stand Outas the employee with proven skills.Start learning today for free Move Your Career Forwardwith certification training in the latest technologies.Start your trial today
Perl

From novice to tech pro — start learning today.

Question has a verified solution.

Are you are experiencing a similar issue? Get a personalized answer when you ask a related question.

Have a better answer? Share it in a comment.