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Perl Script An overview of perl Bits and Pieces Unary and Binary Operators Statements and Dedarations Pattern Matching Unicode Subroutines References Data Structures Interprocess Communication
Perl Script ď‚— If you are using an FTP program to upload your
scripts, set the upload type to ASCII or "Text". This setting prevents the mysterious addition of random characters that sometimes happens when copying files across different operating systems. Learning to do this prevents hours of headaches and frustration. ď‚— Another great debugging technique is to isolate the
code you are currently working on. To do this you can temporarily comment out lines of code to isolate only the section that is returning an error message.
Perl Script The Command-Line Interface The Perl Debugger CPAN Security Common Practices Portable Perl Plain Old Documentation : Perl Scripting Online Training Perl Culture
Perl Script There may be a situation when you need to execute a block of
code several number of times. In general, statements are executed sequentially: The first statement in a function is executed first, followed by the second, and so on. Programming languages provide various control structures that
allow for more complicated execution paths. A loop statement allows us to execute a statement or group of
statements multiple times and following is the general form of a loop statement in most of the programming languages
Perl Script Special Names Formats Perl Functions The Standard Perl Library Pragmatic Modules
Perl Script ď‚— Perl is the Swiss Army chainsaw of scripting
languages: powerful and adaptable. It was first developed by Larry Wall, a linguist working as a systems administrator for NASA in the late 1980s, as a way to make report processing easier. Since then, it has moved into a large number of roles: automating system administration, acting as glue between different computer systems; and, of course, being one of the most popular languages for CGI programming on the Web.
Perl Script Perl is a script programming language that is similar in syntax to the C language and that includes a number of popular UNIX facilities such as sed, awk, and tr. Perl is an interpreted language that can optionally be compiled just before execution into either C code or cross-platform byte code
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