$ perl test_argv.pl one two three
one
Hit return or enter 0 to exit

two
Hit return or enter 0 to exit

three
Hit return or enter 0 to exit

one
Hit return or enter 0 to exit

two
Hit return or enter 0 to exit

three
Hit return or enter 0 to exit

one
Hit return or enter 0 to exit

two
Hit return or enter 0 to exit

three
Hit return or enter 0 to exit
0