File monitor and alert Post: 302995551

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Top Forums Shell Programming and Scripting File monitor and alert Post 302995551 by jim mcnamara on Friday 7th of April 2017 10:33:37 AM

04-07-2017

Registered User

-mmin is not available for all versions of find. Also -mtime +1 means that the file is last modified more than 86400 seconds ago. Not how us humans think of yesterday.

Consider:

Code:

#!/bin/sh
# ago.shl
# usage: ago.shl [number] 
#       for date [number] days ago, at midnight, last second of that day.
#       ./ago.shl 3 /path/to/myfile
#   parms $1 days in past 
#         $2 name of  file to change mtime on
ago()
{
   perl -e ' my $delta = $ARGV[0];
             $delta*=86400;
             $delta=time - $delta;   #  subtract delta from "now"
              ($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst) =
                                                            localtime($delta);
             
             printf("%04d%02d%02d%02d%02d.%02d\n",
                     $year+1900, $mon+1, $mday, 23, 59, 59);
             ' $1
}

# ago 1  last second of yesterday i.e., 2017062359.59 in touch format

when=$(ago $1)
# echo "$when"
touch -t "$when" $2
exit 0

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LEARN ABOUT PLAN9

alert

alert(3alleg4)							  Allegro manual						    alert(3alleg4)

NAME

       alert - Displays a popup alert box. Allegro game programming library.

SYNOPSIS

       #include <allegro.h>

       int alert(const char *s1, *s2, *s3, const char *b1, *b2, int c1, c2);

DESCRIPTION

       Displays  a  popup  alert  box,	containing  three lines of text (s1-s3), and with either one or two buttons. The text for these buttons is
       passed in `b1' and `b2' (`b2' may be NULL), and the keyboard shortcuts in `c1' and `c2' as ASCII value. Example:

	  if (!exists(CONFIG_FILE))
	     alert(CONFIG_FILE, "not found.", "Using defaults.",
		   "&Continue", NULL, 'c', 0);

RETURN VALUE

       Returns 1 or 2 depending on which button was clicked. If the alert is dismissed by pressing ESC when ESC is not one of the keyboard  short-
       cuts, it treats it as a click on the second button (this is consistent with the common "Ok", "Cancel" alert).

SEE ALSO

       alert3(3alleg4), gui_fg_color(3alleg4), exgui(3alleg4), expackf(3alleg4), exspline(3alleg4)

Allegro 							   version 4.4.2						    alert(3alleg4)