Perl programming
Perl, also Practical Extraction and Report Language (a backronym, see below), is an interpreted procedural programming language designed by Larry Wall. Perl borrows features from C, shell scripting (sh), awk, sed, and (to a lesser extent) many other programming languages.
3.1 Loops
3.2 Conditional
statements
3.3 Statement modifiers
3.4 Switch statement
3.5 goto statement
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