commandline session $perl test1.pl 1..1 ok 1 $cat test1.pl #!/usr/bin/perl -w print “1..1n”; print 1 + 1 == 2 ? “ok 1n” : “not ok 1n”; $perl 1+1 $perl -e No code specified for -e. $perl -d Loading DB routines from perl5db.pl version 1.33 Editor support available. Enter h or `h h’ for help, or …