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Full Discussion: Pass system date and sysdate-7 in script through crontab
Top Forums Shell Programming and Scripting Pass system date and sysdate-7 in script through crontab Post 302904244 by rbatte1 on Tuesday 3rd of June 2014 05:09:41 AM
Old 06-03-2014
Have a read of two things:-
  • The manual page for the date command
  • Search this forum for date and you will find lots of threads to do what you want.
You may need use cron to call a wrapper script that works these out and then calls the real script you want, e.g.:-
Code:
$ crontab -l
00 23 * * * /my_home/wrapper_script

Code:
$ cat wrapper_script
#!/bin/ksh

d1=20140603          # Need to get this from the date command
d2=20140527          # Need to calculate this from the date command

/usr/local/scripts/main_script $d1 $d2


I hope that this helps, but in any case:-
  • What have you tried so far?
  • What errors/output are you getting?
  • What OS and version are you using (some have more options on the date command)




Robin
 

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LEARN ABOUT DEBIAN

br

br(1)							      General Commands Manual							     br(1)

NAME

       br - utility to interact with Firecracker device

SYNOPSIS

       br [options] [housecode[list]] [native command] ...

DESCRIPTION

       This  manual  page  documents  briefly  the  br command.  br is a program that interacts with X10's Firecracker device allowing the user to
       manipulate X10 devices throughout their house/office.

OPTIONS

       The programs follow the usual GNU command line syntax, with long options starting with two dashes (`-').  A summary of options are included
       below.

       -h, --help
	      Show summary of options.

       -v, --verbose
	      Each -v will increase the verbosity.

       -x, --port=PORT
	      Set port to communicate with (should be the port the Firecracker module is plugged into)

       -c, --house=[A-P]
	      Use alternate house code for operations, default is A

       -n, --on=LIST
	      Turn on all devices in LIST

       -f, --off=LIST
	      Turn off all devices in LIST

       -N, --ON
	      Turn on all devices in housecode

       -F, --OFF
	      Turn off all devices in housecode

       -d, --dim=LEVEL[,LIST]
	      Dim devices in housecode [or LIST] to relative LEVEL

       -B, --lamps_on
	      Turn on all lamps in housecode

       -D, --lamps_off
	      Turn off all lamps in housecode

       -r, --repeat=NUM
	      Repeat commands NUM times (0 = ~forever)

AUTHOR

       This manual page was written by Ashley Clark <aclark@debian.org>, for the Debian GNU/Linux system (but may be used by others).

								   Ashley Clark 							     br(1)
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