@ (At Sign) ----------- @ waits and exits at a specified time. It can be used to delay shell commands, e.g.: @ 18:00; printf '\a' @ '19 January 2038 03:14:07'; halt @ 9:00am mon; printf '\a' Date/Time Formats ----------------- @ currently supports 704 date/time formats, any one of which may be specified on the command line in one or more arguments. All spaces shown below are optional. A time may be specified in any of the following eight formats: * 7:00:01 PM * 19:00:01 * 7:00 PM * 19:00 * 70001 PM * 190001 * 700 PM * 1900 A date may be omitted or specified (before or after the time) in any of the following 43 formats: * Wed * 1969-12-31 * 1969/12/31 * 12-31-1969 * 12-31 * 12/31/1969 * 12/31 * 31 Dec 1969 * 31 Dec * 31-Dec-1969 * 31-Dec * 31/Dec/1969 * 31/Dec * Wed 31 Dec 1969 * Wed 31 Dec * Wed 31-Dec-1969 * Wed 31-Dec * Wed 31/Dec/1969 * Wed 31/Dec * Wed, 31 Dec 1969 * Wed, 31 Dec * Wed, 31-Dec-1969 * Wed, 31-Dec * Wed, 31/Dec/1969 * Wed, 31/Dec * Dec 31, 1969 * Dec 31 * Dec-31-1969 * Dec-31 * Dec/31/1969 * Dec/31 * Wed Dec 31, 1969 * Wed Dec 31 * Wed Dec-31-1969 * Wed Dec-31 * Wed Dec/31/1969 * Wed Dec/31 * Wed, Dec 31, 1969 * Wed, Dec 31 * Wed, Dec-31-1969 * Wed, Dec-31 * Wed, Dec/31/1969 * Wed, Dec/31 Additionally, the following eight date/time formats are supported: * 1969-12-31T19:00:01 * 1969-12-31T19:00 * 19691231T190001 * 19691231T1900 * 19691231 70001 PM * 19691231 190001 * 19691231 700 PM * 19691231 1900 Development ----------- @ is maintained in a Git repository. Browse: http://git.pehjota.net/atsign/atsign.git/ Clone: git://git.pehjota.net/atsign/atsign.git Patches may be e-mailed to the author, P. J. McDermott . Copyright --------- Copyright (C) 2021 P. J. McDermott Copying and distribution of this file, with or without modification, are permitted in any medium without royalty provided the copyright notice and this notice are preserved. This file is offered as-is, without any warranty.