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  1. or download this
    #!/usr/bin/perl
use strict;
...

print "Realtime: ".$realtime."\n";
print "Resolution: ".$resolution."\n";
  2. or download this
    Argument "CLOCK_REALTIME" isn't numeric in subroutine entry at test.pl
+ line 6.
Argument "CLOCK_REALTIME" isn't numeric in subroutine entry at test.pl
+ line 7.
Realtime: 1411038919.69833
Resolution: 1e-09
  3. or download this
    #!/usr/bin/perl
use strict;
...

print "Realtime: ".$realtime."\n";
print "Resolution: ".$resolution."\n";
  4. or download this
    Bareword "CLOCK_REALTIME" not allowed while "strict subs" in use at te
+st.pl line 6.
Bareword "CLOCK_REALTIME" not allowed while "strict subs" in use at te
+st.pl line 7.
Execution of test.pl aborted due to compilation errors.