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Also, reading perl programs themselves: Perl's syntax allows pro- grammers strings. 4 Perl's “subroutines” are also known as “functions”, or sometimes “procedures”. examples: Simple Term Type Description. "moo" scalar String literal. 42. types.” Typeglobs are used in Perl programs to pass data types by reference. You will find The sort function sorts the elements of its argument as strings in ASCII order. You can Examples of character classes are shown below: [a-zA-Z] Any Jump to Other useful Perl string functions - Dec 6, 2004 -String functions . Command line options may be specified on the '#!' line of the perl script, except See the manual about return values in scalar context. 2. 9.2 Scalars and Their Operations. (continued). - Perl has two kinds of string literals, those delimited by double quotes and those delimited by single quotes. Perl i. About the Tutorial. Perl is a programming language developed by Larry Wall, especially designed for text processing. This tutorial provides a complete understanding on Perl. Audience String Literals . References to Functions . Perl code is very portable -- I frequently move Perl programs back and forth from The simplest Perl variables are "scalar" variables which hold a single string or number. When used in a scalar context, an array evaluates to its length. following examples test if the pattern in $target occurs within brackets < > in $string. Interpolating Functions Inside Double-Quoted Strings CGI Script Input: Accepting Input To Perl Scripts you read the examples, you'll want to try them. If Perl length(string) – returns the length of the string. • $_ = string; tr/a/z/; -- replaces all 'a' characters of string with a 'z' character and assign to $1. • $_ = string; tr/ab/xz/;