sub exim_binary {
# two simple cases, absolute path or relative path and executable
- return @_ if $_[0] =~ /^\//;
- return Cwd::abs_path(shift), @_ if -x $_[0];
+ if (@_) {
+ return @_ if $_[0] =~ /^\//;
+ return Cwd::abs_path(shift), @_ if -x $_[0];
+ }
# so we're still here, if the simple approach didn't help.
if (open(my $f, '<', "$etc/os-release")) {
local $_ = join '', <$f>;
my ($id) = /^ID="?(.*?)"?\s*$/m;
- my ($version) = /^VERSION_ID="?(.*?)"?\s*$/m;
+ my $version = /^VERSION_ID="?(.*?)"?\s*$/m ? $1 : '';
return "$id$version";
}