1#!/bin/ksh 2 3export TZ=Etc/Universal 4 5datesub() { 6 gdate "$@" '+ FILL(%_11s,%_4Y,%_m,%_d,%w,%_H,%_M,%_S), // %a %b %e %H:%M:%S %Z %Y' 7} 8 9( 10 datesub -d '1970/01/01 00:00:00' 11 datesub -d '1981/04/12 12:00:03' 12 datesub -d '2011/07/21 09:57:00' 13 datesub -d @2147483647 14 datesub -d @2147483648 15 datesub -d '2063/04/05 00:00:00' 16 for year in `seq 1970 1 2030`; do 17 datesub -d "${year}/01/01 00:00:00" 18 datesub -d "${year}/07/01 00:00:00" 19 done 20 for year in `seq 2000 25 2600`; do 21 datesub -d "$((${year} - 1))/12/31 23:59:59" 22 datesub -d "$((${year} + 0))/01/01 00:00:00" 23 datesub -d "$((${year} + 1))/01/01 00:00:00" 24 done 25)|sort -u 26