my $searchfor = $#ARGV ? join(' ',@ARGV) : die("I need a process to lo
- If there are no arg, $#ARGV is -1, $#ARGV is true, $search_for = join(' ', ()).
- If there is one arg, $#ARGV is 0, $#ARGV is false, die("I need a process to look for.").
- If there is two arg, $#ARGV is 1, $#ARGV is true, $search_for = join(' ', $ARGV, $ARGV).
my $searchfor = $#ARGV >= 0 ? join(' ',@ARGV) : die("I need a process
+to look for.");
Or better yet:
my $searchfor = @ARGV ? join(' ',@ARGV) : die("I need a process to loo
I don't understand why that's one one line. It doesn't save anything. I just adds complexity.
@ARGV or die("I need a process to look for.");
my $searchfor = join(' ',@ARGV);
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