--- /dev/null
+LC_ALL=C TZ="America/New_York" ./sar -f tests/data.tmp -e 1590933000 > tests/out.sar-e-epoch.tmp && diff -u tests/expected.sar-e-epoch tests/out.sar-e-epoch.tmp
--- /dev/null
+LC_ALL=C ./sadf -d tests/data.tmp -s 1590939000 > tests/out.sadf-s-epoch.tmp && diff -u tests/expected.sadf-s-epoch tests/out.sadf-s-epoch.tmp
--- /dev/null
+LC_ALL=C TZ="Europe/Paris" ./sadf -d tests/data.tmp -T -s 1590933000 > tests/out.sadf-T-s-epoch.tmp && diff -u tests/expected.sadf-T-s-epoch tests/out.sadf-T-s-epoch.tmp
--- /dev/null
+LC_ALL=C ./sadf -d tests/data.tmp -U -s 1555593629 -e 1555594649 > tests/out.sadf-U-se-epoch.tmp && diff -u tests/expected.sadf-U-se-epoch tests/out.sadf-U-se-epoch.tmp
01920 LC_ALL=C TZ="America/New_York" ./sadf -r tests/data-tz.tmp -- -uw > tests/out.sadf-r-tz.tmp
01925 LC_ALL=C TZ="America/New_York" ./sadf -r tests/data-tz.tmp -T -- -uw > tests/out.sadf-r-T-tz.tmp
01928 LC_ALL=C TZ="America/New_York" ./sadf -r tests/data-tz.tmp -t -- -uw > tests/out.sadf-r-t-tz.tmp
+01950 LC_ALL=C TZ="America/New_York" ./sar -f tests/data.tmp -e 1590933000 > tests/out.sar-e-epoch.tmp
+01955 LC_ALL=C ./sadf -d tests/data.tmp -s 1590939000 > tests/out.sadf-s-epoch.tmp
+01957 LC_ALL=C TZ="Europe/Paris" ./sadf -d tests/data.tmp -T -s 1590933000 > tests/out.sadf-T-s-epoch.tmp
+01960 LC_ALL=C ./sadf -d tests/data.tmp -U -s 1555593629 -e 1555594649 > tests/out.sadf-U-se-epoch.tmp
===== iostat tests (basic output)
02010 LC_ALL=C TZ=GMT ./iostat 2 3 > tests/out.iostat.tmp
--- /dev/null
+SYSSTAT.TEST;-1;2019-04-18 15:54:09 CET;LINUX-RESTART (10 CPU)
+# hostname;interval;timestamp;CPU;%user;%nice;%system;%iowait;%steal;%idle
+SYSSTAT.TEST;31;2019-04-18 15:54:35 CET;-1;2.67;19.49;3.53;0.97;0.00;73.34
--- /dev/null
+# hostname;interval;timestamp;CPU;%user;%nice;%system;%iowait;%steal;%idle
+SYSSTAT.TEST;39;1555593639;-1;2.66;23.20;2.27;0.17;0.00;71.70
+SYSSTAT.TEST;22;1555593649;-1;8.32;13.77;9.85;0.41;0.62;66.92
+SYSSTAT.TEST;-1;1555594649;LINUX-RESTART (9 CPU)
--- /dev/null
+Linux 1.2.3-TEST (SYSSTAT.TEST) 04/18/19 _x86_64_ (9 CPU)
+
+09:20:09 CPU %user %nice %system %iowait %steal %idle
+09:20:19 all 2.15 12.50 2.36 0.12 0.00 82.88
+09:20:29 all 2.28 0.00 1.93 0.48 0.00 95.31
+09:20:39 all 2.67 23.08 2.40 0.17 0.00 71.68
+09:20:49 all 6.80 8.80 7.53 0.49 0.39 75.90
+Average: all 3.66 12.87 3.75 0.31 0.10 79.29
+
+09:37:29 LINUX RESTART (9 CPU)