$ perl -MPath::Tiny -le " print scalar gmtime( path( shift )->stat->mtime ) " . Mon Sep 14 09:38:52 2015 $ perl -MPath::Tiny -le " print scalar gmtime( path( shift )->stat->mtime ) " .. Fri May 29 06:13:23 2009 $ perl -MFile::stat -le " print scalar gmtime( stat( shift )->mtime ) " . Mon Sep 14 09:38:52 2015 $ perl -MFile::stat -le " print scalar gmtime( stat( shift )->mtime ) " .. Fri May 29 06:13:23 2009 $ perl -MPath::Tiny -le " print scalar gmtime( path( shift )->stat->mtime ) " NUL Error stat on 'NUL': Invalid argument at -e line 1. $ perl -MFile::stat -le " print scalar gmtime( stat( shift )->mtime ) " NUL Can't call method "mtime" on an undefined value at -e line 1. #### Data for 2015-07-20 File::stat was first released with perl 5.004 5.004 undef 5.00405 undef 5.005 undef 5.00503 undef 5.00504 undef v5.6.0 undef v5.6.1 undef v5.6.2 undef v5.7.3 1.00 v5.8.0 1.00 v5.8.1 1.00 v5.8.2 1.00 v5.8.3 1.00 v5.8.4 1.00 v5.8.5 1.00 v5.8.6 1.00 v5.8.7 1.00 v5.8.8 1.00 v5.8.9 1.01 v5.9.0 1.00 v5.9.1 1.00 v5.9.2 1.00 v5.9.3 1.00 v5.9.4 1.00 v5.9.5 1.00 v5.10.0 1.00 v5.10.1 1.01 v5.11.0 1.02 v5.11.1 1.02 v5.11.2 1.02 v5.11.3 1.02 v5.11.4 1.02 v5.11.5 1.02 v5.12.0 1.02 v5.12.1 1.02 v5.12.2 1.02 v5.12.3 1.02 v5.12.4 1.02 v5.12.5 1.02 v5.13.0 1.02 v5.13.1 1.02 v5.13.2 1.02 v5.13.3 1.03 v5.13.4 1.03 v5.13.5 1.03 v5.13.6 1.03 v5.13.7 1.04 v5.13.8 1.04 v5.13.9 1.05 v5.13.10 1.05 v5.13.11 1.05 v5.14.0 1.05 v5.14.1 1.05 v5.14.2 1.05 v5.14.3 1.05 v5.14.4 1.05 v5.15.0 1.05 v5.15.1 1.05 v5.15.2 1.05 v5.15.3 1.05 v5.15.4 1.05 v5.15.5 1.05 v5.15.6 1.05 v5.15.7 1.05 v5.15.8 1.05 v5.15.9 1.05 v5.16.0 1.05 v5.16.1 1.05 v5.16.2 1.05 v5.16.3 1.05 v5.17.0 1.06 v5.17.1 1.06 v5.17.2 1.07 v5.17.3 1.07 v5.17.4 1.07 v5.17.5 1.07 v5.17.6 1.07 v5.17.7 1.07 v5.17.8 1.07 v5.17.9 1.07 v5.17.10 1.07 v5.17.11 1.07 v5.18.0 1.07 v5.18.1 1.07 v5.18.2 1.07 v5.18.3 1.07 v5.18.4 1.07 v5.19.0 1.07 v5.19.1 1.07 v5.19.2 1.07 v5.19.3 1.07 v5.19.4 1.07 v5.19.5 1.07 v5.19.6 1.07 v5.19.7 1.07 v5.19.8 1.07 v5.19.9 1.07 v5.19.10 1.07 v5.19.11 1.07 v5.20.0 1.07 v5.20.1 1.07 v5.20.2 1.07 v5.21.0 1.07 v5.21.1 1.07 v5.21.2 1.07 v5.21.3 1.07 v5.21.4 1.07 v5.21.5 1.07 v5.21.6 1.07 v5.21.7 1.07 v5.21.8 1.07 v5.21.9 1.07 v5.21.10 1.07 v5.21.11 1.07 v5.22.0 1.07 v5.23.0 1.07 v5.23.1 1.07