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Full Discussion: How to get next hour?
Top Forums Shell Programming and Scripting How to get next hour? Post 302769939 by Chubler_XL on Thursday 14th of February 2013 02:31:33 AM
Old 02-14-2013
You could do this with perl:

Code:
#!/usr/bin/perl
use Time::Local 'timelocal';
use POSIX;
my $year, $month, $day, $hour;
if($ARGV[0] =~ /(\d\d\d\d)(\d\d)(\d\d)(\d\d)/) {
    $ARGV[0] =~ s/(\d\d\d\d)(\d\d)(\d\d)(\d\d)/\1 \2 \3 \4/;
    ($year, $month, $day, $hour) = split(/\s/, $ARGV[0]);
    break unless timelocal(0,0,$hour,$day,$month-1,$year);
}

print strftime("%Y%m%d%H\n", localtime(mktime(0,0,$hour+1,$day,$month-1,$year-1900,0,0))) unless ($day == 0)

 

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HYLAFAX-SHUTDOWN(5)						File Formats Manual					       HYLAFAX-SHUTDOWN(5)

NAME
etc/shutdown - server shutdown control file DESCRIPTION
If the file etc/shutdown is present it describes when a HylaFAX server is to be shutdown and may contain a descriptive message to return to clients explaining the reason for the shutdown. This file is used by the hfaxd(8) program. The file has the following format: <year> <month> <day> <hour> <minute> <deny> <disconnect> <shutdown message text> The first line defines the date and time the server should be shutdown and the time preceding at which unprivileged clients should be denied service or disconnected; these fields are described in more detail below. Any lines that follow the first are taken as the text of a message to return to clients when notifying them of a scheduled shutdown or when denying them service. <year> The decimal year; e.g. 1996. <month> The decimal month; e.g. 10 for October. <day> The decimal day of the month in the range [1..31]. <hour> The decimal hour since midnight; in the range [0..23]. <minute> The decimal minute after the hour; in the range [0..59]. <deny> The time prior to the shutdown time at which to deny service to unprivileged clients. This value is specified as decimal number in the form HHMM; e.g. 130 for 1 hour and 30 minutes. <disconnect> Time time prior to the shutdown time at which to disconnect unprivileged clients that are logged in to the server. This value is specified as a decimal number in the form HHMM. NOTES
This file is typically created using the ``SHUT'' command supported by hfaxd(8). SEE ALSO
hfaxd(8), hylafax-server(5) January 18, 1996 HYLAFAX-SHUTDOWN(5)
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