How to find the length of an array in perl?

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Differentiate use and require?

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I have one question regarding to eval function. I know eval function is use for error checking but I am not able to understand below line. eval \'exec perl -S $0 ${1+\"$@\"}\' if 0; $0 for script name $@ set if error occur

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Distinguish my and local?

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i have a folder called 'error' and in that, i have error log files which are generated by the build, now i want to findout the string 'error' from each log file and that error has to be copied into the another file called 'analysis'. how do you do this in perl?

5 Answers   HP,

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How do I send e-mail from a Perl/CGI program on a Unix system?

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How do you match one letter in the current locale?

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Define perl scripting?

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I have created a CGI-based page,after entering all the values in to the fields, How to get the output on the web browser using Perl

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What happens to objects lost in "unreachable" memory, such as the object returned by Ob->new() in `{ my $ap; $ap = [ Ob->new(), $ap ]; }' ?

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What are the reasons that cookie server can’t handle multiple connections?

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If EXPR is an arbitrary expression, what is the difference between $Foo::{EXPR} and *{"Foo::".EXPR}?

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