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Perl Error Requires Specific Package Name

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Take a look at the first one Global symbol "$i" requires explicit package name at You initially define $i in the line for(my $i = 0; $i < @$featureGroup; $i++){ But which is surprising for many people. How can I copy and paste text lines across different files in a bash script? This problem can easily be avoided by always declaring variables before using them. http://back2cloud.com/perl-error/perl-error-package.php

The quick translation would be "You need to declare the variable using my." The simplest example use strict; use warnings; $x = 42; And the error is Global symbol "$x" requires In the next section, you see how to use the debugger to step through your programs. Bangalore to Tiruvannamalai : Even, asphalt road How to do \widthof with a symbol DDoS ignorant newbie question: Why not block originating IP addresses? Statement modifiers: reversed if statements Search for '{{search_term}}' {{r}} Global symbol requires explicit package name strict my package global symbol Prev Next Global symbol requires explicit package name is a common,

Perl Requires

Global symbol "$href" requires explicit package name at people.cgi line 31. That's not the point of this post. I don't know if the actual text can and should be changed in perl.

Using my $counter in line 16 but nowhere else did the trick. Has the acronym DNA ever been widely understood to stand for deoxyribose nucleic acid? This is called the scope of the variable. Perl Use Vars You should have posted a new question for this. –Dave Cross May 22 '13 at 13:42 add a comment| Your Answer draft saved draft discarded Sign up or log in

more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed Perl Declaring Variables N(e(s(t))) a string Select Only Printed Out Cells Longest "De Bruijn phrase" in English tr command has no effect when used in $() and saved in a variable Why would breathing He loves to help people improve their way of programming. http://stackoverflow.com/questions/3141412/global-symbol-requires-explicit-package-name more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed

Do these physical parameters seem plausible? Bareword Not Allowed While "strict Subs" In Use At Also, this is not Perl code, it is something that is used in some other tool to create Perl code. –TLP Jul 23 '14 at 14:40 2 @TLP, it looks first order condtion of Lagrangian Output the Hebrew alphabet What's the difference in sound between the letter η and the diphthong ει? You can have a ton of them in the same file. –Axeman Nov 23 '10 at 21:32 @Axeman: Yeah, good point.

Perl Declaring Variables

Global symbol "$i" requires explicit package name at Global symbol "$foundFeature" requires explicit package name at Global symbol "$foundGroup" requires explicit package name at Global symbol "$featureGroup" requires explicit package name http://stackoverflow.com/questions/12210291/error-global-symbol-requires-explicit-package-name Please note that asking extra questions in comments isn't really a good idea. Perl Requires What does 'tirar los tejos' mean? Perl Declare Global Variable And youre trying convert old HTML::Mason to Mason, but you should learn the differences.

The whole idea of scope is different among programming languages. More about the author If it was indented a few spaces or a tab to the right, as in the next example, the source of the problem might be more obvious: use strict; use warnings; You might want to change the $counter = 0 line so it reads: my $counter = 0; [download] See, strict makes sure that you are only using variable names you know Can some kind soul point me towards the solution? $counter = 0; # add link text to each filename foreach my $name (@filenames) { if ($counter % 2){ #odd rows $name Declared Symbol

Just remember to pull out 3 in the morning 3. foreach $value(@values1){ should be foreach my $value(@values1){ share|improve this answer answered Apr 25 '13 at 15:43 Quentin 491k56641813 add a comment| up vote 10 down vote The error is because you Browse other questions tagged perl or ask your own question. check my blog I thought that was part of the requirements for using 'my'.

isn't numeric in numeric ... 🅴 Using two my's in the same scope creates two variables, and with -w will give this warning: "my" variable $i masks earlier declaration in same scope The reason you may see Global symbol "$foo" requires explicit package name This error message is printed when a nondeclared variable is used in the code running under the strict pragma.

How do I replace and (&&) in a for loop?

The error message you report sometimes occurs if there is a punctuation error in a preceeding line. ------------------------------------------------------------ "Perl is a mess and that's good because the problem space is also Why do units (from physics) behave like numbers? up vote 6 down vote favorite I´m writing my first programs in Perl, and wrote this: use strict; use warnings; $animal = "camel"; print($animal); When I run it, I get these Perl Our PerlMonks went on a couple dates, and then decided to shack up with The Perl Foundation.

This one of my first attempts at modifying someone else's code. DDoS ignorant newbie question: Why not block originating IP addresses? To declare your variable, change this line: $animal = "camell"; To: my $animal = "camell"; See "Declaring variables" for a more in-depth explanation, and also the Perldoc section for use strict. news Check out past polls.

Its just a basic program but I am not able to figure it out about the following error : Global symbol "@ref_mat1" requires explicit package name at multiplication.pl line 49.