Perl getopt manual

The first non-list reference parameters may contain a number of configuration strings to pass to Getopt::Long::Configure. A reference to a list of arguments may additionally be passed or ARGV is used by default. A Getopt::Long specification string is constructed for each variable defined in the AppConfig::State. Advanced Getopt::Long has tons of other options. You might want to check out the documentation.

There are also other solutions, for example if you are using Moo for light-weight object oriented programming, you could take a look at MooX::Options explained in a number of advanced articles: for example Switching to Moo - adding command line parameters and Writing Command line scripts and accepting command line parameters using Moo. Toggle navigation Perl Maven. Standard output, standard error and command line redirection Warning when something goes wrong What does die do? Unknown warnings category Can't use string Symbolic references in Perl Can't locate Can't locate object method " Useless use of hash element in void context Useless use of private variable in void context readline on closed filehandle in Perl Possible precedence issue with control flow operator Scalar value Formatted printing in Perl using printf and sprintf.

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Related Hot Network Questions. Question feed. The getopt function is similar, but its argument is a string containing all switches that take an argument. Unspecified switches are silently accepted. Use of getopt is not recommended. Note that, if your code is running under the recommended use strict vars pragma, you will need to declare these package variables with our :.