What’s the best way to open and read a file in Perl?
There are no universal standards, but there are reasons to prefer one or another. My preferred form is this: open( my $input_fh, “<“, $input_file ) || die “Can’t open $input_file: $!”; The reasons are: You report errors immediately. (Replace “die” with “warn” if that’s what you want.) Your filehandle is now reference-counted, so once you’re … Read more