Command-Line Program Patterns

Argument Lists

Model a command argument list with fixed local values.

Argument Lists

argv_simulation.pl 
use strict;
use warnings;

my $command = ;
my $argument_count = 1;
my $summary = "command:$command";

print "count=$argument_count\n";
print "command=$command\n";
print "summary=$summary\n";

use strict;
use warnings;

my $command = ;
my $argument_count = 1;
my $summary = "command:$command";

print "count=$argument_count\n";
print "command=$command\n";
print "summary=$summary\n";

use strict;
use warnings;

my $command = ;
my $argument_count = 1;
my $summary = "command:$command";

print "count=$argument_count\n";
print "command=$command\n";
print "summary=$summary\n";
argument-lists Command-line programs receive a list of words. In examples, a local list can show the same indexing and counting ideas without depending on the process that started the program.