Perl

Perl: Generate Random Value

Using perl -e Using debugger as REPL with perl -de x (x can be anything) See: https://perldoc.perl.org/perlfaq3#How-can-I-use-Perl-interactively? Also see http://www.perlmeme.org/howtos/perlfunc/rand_function.html

Perl Programming Language: Intro

Perl Intro Basic syntax overview Perl variable types Variable scoping Conditional and looping constructs Builtin operators and functions Files and I/O Regular expressions Writing subroutines OO Perl and Using Perl modules